Forward-Looking Statements
The following discussion and analysis of our financial condition and results of
operations should be read together with our condensed consolidated financial
statements and related notes appearing elsewhere in this Quarterly Report on
Form 10-Q. This discussion contains forward-looking statements reflecting our
current expectations and involves risks and uncertainties. In some cases, you
can identify forward-looking statements by terminology such as "may," "will,"
"should," "expect," "plan," "anticipate," "believe," "estimate," "predict,"
"intend," "potential" or "continue" or the negative of these terms or other
comparable terminology. Such statements, include but are not limited to
statements regarding our expectations as to future financial performance,
expense levels, liquidity sources, the capabilities and performance of our
technology and products and planned changes, timing of new product releases, our
business strategies, including anticipated trends, growth and developments in
markets in which we target, the anticipated market adoption of our current and
future products, performance in operations, including component supply
management, product quality and customer service, risks related to the ongoing
COVID-19 pandemic and the anticipated benefits and risks relating to the
transaction with SunPower Corporation. Our actual results and the timing of
events may differ materially from those discussed in our forward-looking
statements as a result of various factors, including those discussed below and
those discussed in the section entitled "Risk Factors" included in Part II, Item
1A in this Quarterly Report on Form 10-Q and our Annual Report on Form 10-K for
the fiscal year ended December 31, 2020.
Business Overview and Q1 2021 Highlights
We are a global energy technology company. We deliver smart, easy-to-use
solutions that manage solar generation, storage and communication on one
platform. We revolutionized the solar industry with our microinverter technology
and we produce a fully integrated solar-plus-storage solution. To date, we have
shipped more than 34 million microinverters, and approximately 1.5
million Enphase residential and commercial systems have been deployed in more
than 130 countries.
We sell our solutions primarily to distributors who resell them to solar
installers. We also sell directly to large installers, OEMs, strategic partners
and homeowners. Our revenue in the fourth quarter of 2019 and first quarter of
2020 was positively impacted by the scheduled phase-down of the investment tax
credit for solar projects under Section 48(a) (the "ITC") of the Internal
Revenue Code of 1986, as amended (the "Code").
Safe Harbor Prepayments
The Renewable Energy and Job Creation Act of 2008 provided a 30% federal tax
credit for residential and commercial solar installations through December 31,
2019, which was reduced to a tax credit of 26% for any solar energy system that
began construction during 2020 through December 31, 2022, and 22% thereafter to
December 31, 2023 before being reduced to 10% for commercial installations and
0% for residential installations beginning on January 1, 2024. As a result,
several of our customers explored opportunities to purchase products in 2019 to
take advantage of safe harbor guidance from the IRS published in June 2018,
allowing them to preserve the historical 30% investment tax credit for solar
equipment purchased in 2019 for solar projects that are completed after December
31, 2019. Safe harbor prepayments from customers in the fourth quarter of 2019
resulted in $44.5 million of revenue recognized in the first quarter of 2020
when we delivered the product. There was no safe harbor revenue recognized in
the first quarter of 2021 in comparison.
Acquisitions
On January 25, 2021, we completed the acquisition of 100% of the shares of
Sofdesk Inc. ("Sofdesk"), a privately-held company. Sofdesk provides design
tools and services software for residential solar installers and roofing
companies and will enhance our digital transformation efforts. As part of the
purchase price, we (i) paid approximately $32.0 million in cash on January 25,
2021 and (ii) are liable for up to approximately $3.7 million of contingent
consideration payable during the first quarter of 2022, of which we recorded a
liability of approximately $3.5 million representing the fair value of the
contingent consideration. In addition to the purchase price, we will be
obligated to pay up to approximately $3.7 million during the first quarter of
2022, subject to continued employment of key employees of Sofdesk. Further
details on the Sofdesk acquisition may be found in   Note 4, "Business
Combinations"  , in the notes to the condensed consolidated financial statements
included in Part I, Item 1 of this Form 10-Q.
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On March 31, 2021, we completed the acquisition of DIN's solar design services
business. DIN's solar design services business provides outsourced proposal
drawings and permit plan sets for residential solar installers in North America
and will enhance our digital transformation effort. As part of the purchase
price, we paid approximately $24.8 million in cash. In addition to the purchase
price paid, we are obligated to pay up to i) approximately $5.0 million in equal
monthly installments over the course of one year following the acquisition date;
and ii) approximately $5.0 million payable in one year following the acquisition
date subject to achievement of certain revenue and operational targets. Further
details on the DIN's solar design services business acquisition may be found in
  Note 4, "Business Combinations"  , in the notes to the condensed consolidated
financial statements included in Part I, Item 1 of this Form 10-Q.
Convertible Notes
On March 1, 2021, we issued an aggregate principal amount of $1.15 billion of
convertible senior notes comprised of $575.0 million of 0.0% Notes due 2026 and
$575.0 million of 0.0% Notes due 2028. In addition, on March 12, 2021, we issued
$57.5 million aggregate principal amount of the Notes due 2026 in connection
with the initial purchasers' full exercise of the over-allotment option to
purchase additional Notes due 2026. The Notes due 2026 and Notes due 2028 will
not bear regular interest, and the principal amount of the Notes due 2026 and
Notes due 2028 will not accrete. The Notes due 2026 and the Notes due 2028 are
general unsecured obligations and the Notes due 2026 and Notes due 2028 are
governed by relevant indentures entered by and between us and U.S. Bank National
Association, as trustee. The Notes due 2026 will mature on March 1, 2026 and
Notes due 2028 will mature on March 1, 2028, unless earlier repurchased by us or
converted at the option of the holders. Further information relating to the
Notes due 2026 and Notes due 2028 may be found in   Note 8, "Debt"  , of the
notes to condensed consolidated financial statements included in Part I, Item 1
of this Form 10-Q.
During the first quarter of 2021, holders exchanged $87.1 million in aggregate
principal amount of the Notes due 2024 were converted or repurchased by us, and
the principal amount of the converted and repurchased Notes due 2024 was repaid
in cash. Of the $87.1 million in aggregate principal amount, $25.5 million in
aggregate principal amount was repurchased pursuant to separately- and
privately-negotiated exchange agreements entered into in March 2020 with certain
holders of Notes due 2024 concurrently with the offering of the Notes due 2026
and the Notes due 2028. In connection with such conversions and exchanges,
during the first quarter of 2021, we also issued 3.8 million shares of our
common stock to the holders of the converted and repurchased Notes due 2024 with
an aggregate fair value of $659.4 million, representing the conversion value in
excess of the principal amount of the Notes due 2024, which were fully offset by
shares received from the settlements of the associated note hedging
arrangements.
During the first quarter of 2021, concurrently with the offering of the Notes
due 2026 and the Notes due 2028, we entered into separately- and
privately-negotiated transactions to repurchase approximately $217.7 million in
aggregate principal amount of the Notes due 2025. The principal amount (and for
certain holders the conversion value in excess of the principal amount) of the
repurchased Notes due 2025 was repaid in cash. We also issued approximately
1.7 million shares of our common stock to the holders of the repurchased notes
with an aggregate fair value of $302.7 million, representing the conversion
value in excess of the principal amount of the Notes due 2025, which were fully
offset by shares received from the settlements of the associated note hedging
arrangements.
Tariff Refunds
On March 26, 2020, the Office of the United States Trade Representative (the
"USTR") announced certain exclusion requests related to tariffs on Chinese
imported microinverter products that fit the dimensions and weight limits within
a Section 301 Tariff exclusion under U.S. note 20(ss)(40) to subchapter III of
chapter 99 of the Harmonized Tariff Schedule of the United States (the "Tariff
Exclusion"). The Tariff Exclusion applies to covered products under the China
Section 301 Tariff Actions ("Section 301 Tariffs") taken by the USTR exported
from China to the United States from September 24, 2018 until August 7, 2020.
Accordingly, we sought refunds totaling approximately $38.9 million plus
approximately $0.6 million accrued interest on tariffs previously paid from
September 24, 2018 to March 31, 2020 for certain microinverters that qualify for
the Tariff Exclusion. The refund request was subject to review and approval by
the U.S. Customs and Border Protection.
As of December 31, 2020, we had received $24.8 million of tariff refunds and
accrued for the remaining $14.7 million tariff refunds that were approved,
however, not yet received on or before December 31, 2020. During the three
months ended March 31, 2021, we received the remaining $14.7 million tariff
refunds. For the year ended December 31, 2020, we recorded $38.9 million as a
reduction to cost of revenues in our condensed consolidated statement of
operations as the approved refunds relate to paid tariffs previously recorded to
cost of revenues,
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therefore, we recorded the corresponding approved tariff refunds as credits to
cost of revenues in the current period. For the year ended December 31, 2020, we
recorded the $0.6 million accrued interest as interest income in the condensed
consolidated statement of operations. The tariff refund receivable of zero and
$14.7 million was recorded as a reduction of accounts payable to Flex Ltd. and
affiliates ("Flex"), our manufacturing partner and the importer of record who
will first receive the tariff refunds, on our condensed consolidated balance
sheet as of March 31, 2021 and December 31, 2020, respectively.
The Tariff Exclusion expired on August 7, 2020 and those microinverter products
now are subject to tariffs. We continue to pay Section 301 Tariffs on our
storage and communication products and other accessories imported from China
which are not subject to the Tariff Exclusion.
Impact of COVID-19
The ongoing COVID-19 pandemic continues to cause disruptions and uncertainties,
including in the core markets in which we operate. The COVID-19 pandemic has
significantly curtailed the movement of people, goods and services and had a
notable impact on general economic conditions including but not limited to the
temporary closures of many businesses, "shelter in place" orders and other
governmental regulations, and reduced consumer spending. The most significant
near-term impacts of COVID-19 on our financial performance are a decline in
sales orders as future residential and commercial system owners are canceling
sales meetings with system installation professionals or postponing system
installations. As the purchase of new solar energy management solutions declines
as part of the impact of COVID-19 on consumer spending, many businesses through
which we distribute our products are working at limited operational capacity.
The extent of the impact of COVID-19 on our future operational and financial
performance will depend on various future developments, including the duration
and spread of the outbreak, impact on our employees, impact on our customers,
effect on our sales cycles or costs, and effect on our supply chain and vendors,
all of which are uncertain and cannot be predicted, but which could have a
material adverse effect on our business, results of operations or financial
condition. Further information relating to the risks and uncertainties related
to the ongoing COVID-19 pandemic may be found in the "Risk Factors" section
included in Part II, Item 1A in our 2020 Annual Report on Form 10-K for the
fiscal year ended December 31, 2020.
Products
We design, develop, manufacture and sell home energy solutions that manage
energy generation, energy storage and control and communications on one
intelligent platform. We have revolutionized the solar industry by bringing a
systems approach to solar technology and by pioneering a semiconductor-based
microinverter that converts energy at the individual solar module level and,
combined with our proprietary networking and software technologies, provides
advanced energy monitoring and control. This is vastly different than a central
inverter system using string modules, with or without an optimizer, approach
that only converts energy of the entire array of solar modules from a single
high voltage electrical unit and lacks intelligence about the energy producing
capacity of the solar array. The Enphase Home Energy Solution with IQ™ platform,
which is our current generation integrated solar, storage and energy management
offering, enables self-consumption and delivers our core value proposition of
yielding more energy, simplifying design and installation, and improving system
uptime and reliability. The IQ family of microinverters, like all of our
previous microinverters, is fully compliant with NEC 2014 and 2017 rapid
shutdown requirements. Unlike string inverters, this capability is built-in,
with no additional equipment necessary.
The Enphase Home Energy Solution with IQ™ brings a high technology, networked
approach to solar generation plus energy storage, by leveraging our design
expertise across power electronics, semiconductors and cloud-based software
technologies. Our integrated approach to energy solutions maximizes a home's
energy potential while providing advanced monitoring and remote maintenance
capabilities. The Enphase Home Energy Solution with IQ uses a single technology
platform for seamless management of the whole solution, enabling rapid
commissioning with the Installer Toolkit™; consumption monitoring with our
Envoy™ Communications Gateway with IQ Combiner+, Enphase Enlighten, a
cloud-based energy management platform, and our Enphase AC Battery™. System
owners can use Enphase Enlighten to monitor their home's solar generation,
energy storage and consumption from any web-enabled device. Unlike some of our
competitors, who utilize a traditional inverter, or offer separate components of
solutions, we have built-in system redundancy in both photovoltaic ("PV")
generation and energy storage, eliminating the risk that comes with a
single-point of failure. Further, the nature of our cloud-based, monitored
system allows for remote firmware and software updates, enabling cost-effective
remote maintenance and ongoing utility compliance.
The Enphase IQ 7™ microinverter and Enphase IQ 7+™ microinverter, part of our
seventh-generation IQ product family, support high-powered 60-cell and 72-cell
solar modules and integrate with alternating current ("AC")
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modules. Our IQ 7X™ microinverter addresses 96-cell PV modules up to 400W direct
current ("DC") and with its 97.5% California Energy Commission ("CEC")
efficiency rating, is ideal for integration into high power modules.
During 2020, we started shipping our IQ 7A™ for high-power monofacial and
bifacial solar modules to customers in Australia and Europe. Our IQ 7A
microinverters, which began shipping to customers in North America in November
2019, support up to 450W high-power modules, targeting high-power residential
and commercial applications. Our customers will be able to pair the IQ 7A
microinverter with monofacial or bifacial solar modules, up to 450 W, from solar
module manufacturers who are expected to introduce high-power variants of their
products in the next three years.
AC Module ("ACM") products are integrated systems which allow installers to be
more competitive through improved logistics, reduced installation times, faster
inspection and training. We continued to make steady progress during the fourth
quarter of 2020 with our ACM partners, including SunPower Corporation, Panasonic
Corporation of North America, LONGi Solar, Solaria Corporation, Hanwha Q CELLS,
and Maxeon Solar Technologies, Sonnenstromfabrik (CS Wismar GmBH), and DMEGC
Solar.
During the second quarter of 2020, we introduced our Enphase Encharge 10™ and
Encharge 3™ storage systems, with usable and scalable capacity of 10.1 kWh and
3.4 kWh, respectively, based on Ensemble™ energy management technology, which
powers the world's first grid-independent microinverter-based storage system to
customers in North America. Enphase Encharge™ storage systems feature Enphase
embedded grid-forming microinverters that enable the Always-On capability that
keeps homes powered when the grid goes down, and the ability to save money when
the grid is up. These systems are now compatible with both new and existing
Enphase IQ solar systems with M-series™, IQ 6™, IQ 7™ microinverters. In January
2021, we announced expanded compatibility of the Enphase Storage system with our
M-series microinverters and string inverters. The expanded compatibility
provides approximately 300,000 additional Enphase system owners with the
possibility of achieving grid-agnostic energy resilience through the Enphase
Upgrade Program. The program provides solar installers the opportunity to renew
engagements with the installed base of Enphase system owners through
microinverter, solar, and energy storage upgrades, and reflects our continued
commitment to reliability, service, and long-term customer relationships.
We started production shipments of Enphase Encharge storage systems to customers
in North America during the second quarter of 2020 and expect to launch them in
Australia and Europe in 2021.
We expect further revisions of our storage products with Ensemble technology to
be released in 2021, with a focus on the grid-agnostic IQ 8™ PV microinverter
for residential installations. Our next-generation IQ 8™ system is based upon
our Always On Enphase Ensemble™ energy management technology. This system has
five components: 1) energy generation, which is accomplished with the
grid-agnostic microinverter IQ 8; 2) energy storage, which is achieved by the
Encharge™ battery with capacities of 10.1 kWh and 3.4 kWh; 3) Enpower™ smart
switch, which includes a microgrid interconnect device ("MID"); 4) communication
and control via the combiner box with the Envoy gateway; and 5) Enlighten, which
is the internet of things ("IoT"), cloud software.
The advantage of IQ 8s on the roof will be that these grid-forming
microinverters produce power from panels even during blackouts, as long as the
sun is still shining. It addresses a major drawback of traditional solar
installations without the need for storage and is differentiated in that
respect.
We expect to introduce our small commercial solution in 2021. The core element
of this solution is our IQ 8D™ microinverter which allows an installer to
connect two solar panels to a single microinverter. We also expect to introduce
Enphase IQ 8D™ for commercial solar purposes. We are making progress on our
portable power station, formerly known as Ensemble-in-a Box™, an off-grid solar
and storage system. The product will provide energy security indoors as well as
energy-on-the-go outdoors. We also view this as a starter product for those
homeowners who are not yet ready to invest in a full solar or storage system.

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Results of Operations
Net Revenues
                               Three Months Ended
                                   March 31,                          Change in
                                                                 2021               2020            $            %
                                                                      (In thousands, except percentages)
Net revenues                                             $    301,754

$ 205,545 $ 96,209 47 %




Net revenues increased by 47% or $96.2 million in three months ended March 31,
2021, as compared to the same period in 2020, primarily due to the 22% increase
in the microinverter units volume shipped primarily as a result of business
growth in the U.S., favorable product mix as we sold more IQ 7+ microinverters
relative to IQ 7 microinverters, increases in the average selling price due to
customer mix, as well as shipments of our Enphase Encharge storage systems to
customers in North America starting in the second quarter of 2020. We sold 2.5
million microinverter units in three months ended March 31, 2021, as compared to
2.0 million units in three months ended March 31, 2020.
Cost of Revenues and Gross Margin
                                     Three Months Ended
                                         March 31,                           Change in
                                                                     2021                   2020            $            %
                                                                             (In thousands, except percentages)
Cost of revenues                                               $    178,805             $ 124,870       $ 53,935        43  %
Gross profit                                                        122,949                80,675         42,274        52  %
Gross margin                                                           40.7   %              39.2  %                   1.5  %


Cost of revenues increased by 43% or $53.9 million in the three months ended
March 31, 2021, as compared to the same period in 2020, primarily due to higher
volume of microinverter units sold, shipments of our Enphase Encharge storage
systems starting in the second quarter of 2020, higher warranty expense based on
continuing analysis of field performance data and diagnostic root-cause failure
analysis primarily relating to our prior generation products and higher
expedited freight costs as a result of business growth in the U.S. in
combination with semiconductor supply constraints, partially offset by
a decrease in the unit cost of our products as a result of our cost reduction
efforts.
Gross margin increased by 1.5% points for the three months ended March 31, 2021,
as compared to the same period in 2020. The increase in gross margin was
primarily attributable to the increase in average selling price due to change in
product and customer mix as well as cost management efforts, including the
transition of our contract manufacturing to Mexico and India to mitigate
tariffs.
Research and Development
                                                             Three Months Ended
                                                                 March 31,                          Change in
                                                                                             2021                 2020                $                   %
                                                                                                           (In thousands, except percentages)
Research and development                                                               $     21,818           $  11,876          $   9,942                  84  %
Percentage of net revenues                                                                        7   %               6  %


Research and development expense increased by 84% or $9.9 million in three
months ended March 31, 2021, as compared to the same period in 2020.
The increase was due to $8.4 million of higher personnel-related expenses and
$1.5 million of outside consulting services associated with the development,
introduction and qualification of new products. The increase in
personnel-related expenses was primarily due to hiring employees in New Zealand,
India and the U.S. as well as onboarded employees through the acquisition of
Sofdesk, increasing total compensation costs, including stock-based
compensation. The amount of research and development expenses may fluctuate from
period to period due to the differing levels and stages of development activity.

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Sales and Marketing
                                                        Three Months Ended
                                                            March 31,                          Change in
                                                                                        2021                 2020                $                   %
                                                                                                      (In thousands, except percentages)
Sales and marketing                                                               $     19,622           $  11,772          $   7,850                  67  %
Percentage of net revenues                                                                   7   %               6  %


Sales and marketing expense increased by 67% or $7.9 million in three months
ended March 31, 2021, as compared to the same period in 2020. The increase was
primarily due to $6.1 million of higher personnel-related expenses primarily due
to hiring employees as a result of our efforts to improve customer experience by
hiring additional employees to provide 24/7 support for installers and Enphase
system owners globally, as well as support our business growth in the U.S. and
international expansion in Europe, and $2.3 million for a combination of higher
marketing expenses, professional services, advertising costs and facility costs
to enable business growth, partially offset by $0.5 million reduction in travel
expenditures as we implemented travel restrictions prohibiting all non-essential
business travel and converting where possible our in-person sales, trainings and
marketing events to virtual-only due to COVID-19 pandemic.
General and Administrative
                                                              Three Months Ended
                                                                  March 31,                          Change in
                                                                                              2021                 2020                $                   %
                                                                                                            (In thousands, except percentages)
General and administrative                                                              $     20,123           $  12,315          $   7,808                  63  %
Percentage of net revenues                                                                         7   %               6  %


General and administrative expense increased by 63% or $7.8 million in three
months ended March 31, 2021, as compared to the same period in 2020. The
increase was primarily due to $3.1 million of acquisition related costs, $2.7
million of higher personnel-related expenses primarily due to hiring employees,
$1.3 million of other operational, technological and facilities costs to support
scalability of our business growth and $0.7 million of higher legal and
professional services.
Other Income (Expense), Net
                                                   Three Months Ended
                                                       March 31,                          Change in
                                                                                   2021                 2020                $                   %
                                                                                                 (In thousands, except percentages)
Interest income                                                              $          73          $   1,091          $  (1,018)                 (93) %
Interest expense                                                                    (7,329)            (3,155)            (4,174)                 132  %
Other (expense) income, net                                                            573               (924)             1,497                 (162) %
Change in fair value of
derivatives                                                                              -             15,344            (15,344)                (100) %
Loss on partial settlement of
convertible notes                                                                  (56,369)                 -            (56,369)                   

**%


Total other income (expense), net                                            $     (63,052)         $  12,356          $ (75,408)                (610) %




**  Not meaningful
Interest income of $0.1 million for the three months ended March 31, 2021
decreased, as compared to $1.1 million for the three months ended March 31,
2020, primarily due to significant decline in interest rates earned on cash
balances, partially offset by a higher average cash balance earning interest in
the three months ended March 31, 2021, compared to the same period in 2020.
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Cash interest expense
Cash interest expense for the three months ended March 31, 2021 and 2020 totaled
$0.2 million and $0.4 million, respectively. Cash interest expense in the three
months ended March 31, 2021 primarily includes $0.2 million coupon interest
incurred with our Notes due 2025, Notes due 2024 and Notes due 2023. Cash
interest expense in the three months ended March 31, 2020 primarily includes
$0.4 million coupon interest incurred with our Notes due 2025, Notes due 2024
and Notes due 2023.
Non-cash interest expense
Non-cash interest expense of $7.1 million for the three months ended March 31,
2021 primarily relates to $7.0 million for the debt discount and amortization of
debt issuance costs with our Notes due 2024, Notes due 2025, Notes due 2026 and
Notes due 2028 and $0.1 million relates to the amortization of debt issuance
costs associated with Notes due 2023. Interest expense of $2.8 million for the
three months ended March 31, 2020 primarily includes $2.6 million related to the
accretion of the debt discount and amortization of debt issuance cost incurred
associated with our Notes due 2024 and Notes due 2025, $0.1 million of interest
expense related to long-term financing receivable recorded as debt and interest
expense of $0.1 million related to amortization of debt issuance costs
associated with our Notes due 2023.
Other income (expense), net of $0.6 million income for the three months ended
March 31, 2021 relates to a $1.4 million non-cash gain related to change in the
fair value of a debt security, partially offset by $0.8 million net loss related
a foreign currency exchange and remeasurement. Other expense, net of $0.9
million expense for the three months ended March 31, 2020, relates to the net
loss from foreign currency exchange and remeasurement.
The conversion option associated with the Notes due 2025 met the criteria for an
embedded derivative liability which required bifurcation and separate accounting
in the first quarter of 2020. In addition, the privately-negotiated convertible
note hedge and warrant transactions were also classified as a derivative asset
and liability, respectively, in the first quarter of 2020. Changes in the fair
value of these derivatives prior to being classified in equity are reflected in
other income (expense), net, in our condensed consolidated statement of
operations. Change in fair value of derivatives of $15.3 million in the three
months ended March 31, 2020 primarily includes the gain recognized for the
change in fair value of our convertible notes embedded derivative and warrants
of $23.6 million and $32.9 million, respectively. This gain is partially offset
by a loss recognized for the change in fair value of our convertible notes hedge
of $41.2 million. We did not have any derivatives during the three months ended
March 31, 2021.
Loss on partial settlement of convertible notes primarily relates to the
$9.5 million non-cash loss on partial settlement of $87.1 million aggregate
principal amount of the Notes due 2024, $9.4 million non-cash loss on settlement
of $217.7 million aggregate principal amount of the Notes due 2025 and $37.5
million non-cash inducement loss incurred on repurchase of Notes due 2025. Refer
Note 8, "Debt" of the notes to condensed consolidated financial statements
included in Part I, Item 1 of this Form 10-Q.
Income Tax Benefit
                                      Three Months Ended
                                          March 31,                           Change in
                                                                         2021                 2020           $            %
                                                                           

(In thousands, except percentages)


 Income tax benefit                                             $     33,364               $ 11,868      $ 21,496       181  %


The income tax benefit of $33.4 million for the three months ended March 31,
2021, increased compared to the income tax benefit of $11.9 million for the same
period in 2020, both calculated using the annualized effective tax rate method,
which is primarily due to higher stock-based compensation expense, partially
offset by higher projected tax expense in foreign jurisdictions that are
profitable in 2021 compared to 2020.
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Liquidity and Capital Resources
Sources of Liquidity
As of March 31, 2021, we had $1.4 billion in working capital, including cash and
cash equivalents of $1.5 billion, of which approximately $1.5 billion were held
in the U.S. Our cash and cash equivalents primarily consist of U.S. government
money market mutual funds and both interest-bearing and non-interest-bearing
deposits, with the remainder held in various foreign subsidiaries. We consider
amounts held outside the U.S. to be accessible and have provided for the
estimated U.S. income tax liability associated with our foreign earnings.
However, our liquidity may be negatively impacted if sales decline significantly
for an extended period due to the impact of the ongoing COVID-19 pandemic. We
believe we will be able to meet our anticipated cash needs for at least the next
12 months. Further, the extent to which the ongoing COVID-19 pandemic and our
precautionary measures in response thereto impact our business and liquidity
will depend on future developments, which are uncertain and cannot be precisely
predicted at this time.
Convertible Notes
Notes due 2023. As of March 31, 2021, we had $5.0 million aggregate principal
amount of our Notes due 2023 outstanding. The Notes due 2023 are general
unsecured obligations and bear interest at a rate of 4.00% per year, payable
semi-annually on February 1 and August 1 of each year. The Notes due 2023 will
mature on August 1, 2023, unless earlier repurchased by us or converted at the
option of the holders.
Notes due 2024. As of March 31, 2021, we had $1.1 million aggregate principal
amount of our Notes due 2024 outstanding. The Notes due 2024 are general
unsecured obligations and bear interest at a rate of 1.0% per year, payable
semi-annually on June 1 and December 1 of each year. The Notes due 2024 will
mature on June 1, 2024, unless earlier repurchased by us or converted at the
option of the holders at a conversion price of $20.50 per share.
From April 1, 2020 through June 30, 2021, the Notes due 2024 may be converted
because the last reported sale price of our common stock for at least 20 trading
days during a period of 30 consecutive trading days ending on March 31, 2020,
June, 30, 2020, September 30, 2020, December 31, 2020 and March 31, 2021 was
greater than or equal to $26.65 on each applicable trading day. Upon conversion
of any of the Notes due 2024, we will pay or deliver, as the case may be, cash,
shares of common stock or a combination of cash and common stock, at our
election.
In connection with the offering of the Notes due 2024, we entered into
privately-negotiated convertible note hedge transactions in order to reduce the
potential dilution to our common stock upon any conversion of the Notes due
2024. Also, concurrently with the offering of the Notes due 2024, we entered
into privately-negotiated warrant transactions whereby we issued warrants to
effectively increase the overall conversion price of Notes due 2024 from $20.50
to $25.23.
From April 1, 2021 through April 27, 2021, we had not purchased any shares under
the convertible note hedge and the warrants relating to the Notes due 2024. If
we receive additional requests for conversion from the holders of the Notes due
2024, we have indicated our current intention and ability to settle the
remaining $1.1 million aggregate principal amount of the Notes due 2024 in cash.
Notes due 2025. As of March 31, 2021, we had $102.3 million aggregate principal
amount of our Notes due 2025 outstanding. The Notes due 2025 are general
unsecured obligations and bear interest at a rate of 0.25% per year, payable
semi-annually on March 1 and September 1 of each year, beginning on September 1,
2020. The Notes due 2025 will mature on March 1, 2025, unless earlier
repurchased by us or converted at the option of the holders at a conversion
price of $81.54 per share.
From January 1, 2021 through June 30, 2021, the Notes due 2025 may be converted
because the last reported sale price of our common stock for at least 20 trading
days during a period of 30 consecutive trading days ending on December 31, 2020
and March 31, 2021 was greater than or equal to $106.00 on each applicable
trading day. Upon conversion of any of the notes, we will pay or deliver, as the
case may be, cash, shares of common stock or a combination of cash and common
stock, at our election.
                   Enphase Energy, Inc. | 2021 Form 10-Q | 48
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In connection with the offering of the Notes due 2025, we entered into
privately-negotiated convertible note hedge transactions in order to reduce the
potential dilution to our common stock upon any conversion of the Notes due
2025. The total cost of the convertible note hedge transactions was
approximately $89.1 million. Also, concurrently with the offering of the Notes
due 2025, we entered into privately-negotiated warrant transactions whereby we
issued warrants to acquire shares of our common stock at a strike price of
$106.94 rather than the Notes due 2025 conversion price of $81.54. We received
approximately $71.6 million from the sale of the warrants.
From April 1, 2021 through April 27, 2021, we've received the request for
conversion of approximately $0.1 million in principal amount of our Notes due
2025, of which we have elected to settle the aggregate principal amount of the
Notes due 2025 in a combination of cash and any excess in shares of our common
stock in accordance with the applicable indenture. Such conversion will be
settled in May 2021. We may purchase shares under the convertible note hedge for
the Notes due 2025 to the extent shares of our common stock are issued for the
additional conversion amount payable by us over the principal amount. From April
1, 2021 through April 27, 2021, we had not purchased any shares under the
convertible note hedge and the warrants had not been exercised and remain
outstanding. If we receive additional request for conversion from the holders of
the Notes due 2025 to exercise their right to convert the debt to equity, we
have indicated our current intention and ability to settle the remaining $102.3
million aggregate principal amount of the Notes due 2025 in cash.
Notes due 2026. As of March 31, 2021, we had $632.5 million aggregate principal
amount of our Notes due 2026 outstanding. The Notes due 2026 are general
unsecured obligations. The Notes due 2026 do not bear any regular interest, and
the principal amount of the Notes due 2026 will not accrete. The Notes due 2026
will mature on March 1, 2026, unless earlier repurchased by us or converted at
the option of the holders at a conversion price of $307.47 per share.
Notes due 2028. As of March 31, 2021, we had $575.0 million aggregate principal
amount of our Notes due 2028 outstanding. The Notes due 2028 are general
unsecured obligations. The Notes due 2028 do not bear any regular interest, and
the principal amount of the Notes due 2028 will not accrete. The Notes due 2028
will mature on March 1, 2028, unless earlier repurchased by us or converted at
the option of the holders at a conversion price of $284.87 per share.
In connection with the offering of the Notes due 2026 and Notes due 2028, we
entered into privately-negotiated convertible note hedge transactions in order
to reduce the potential dilution to our common stock upon any conversion of the
Notes due 2026 and Notes due 2028. The total cost of the convertible note hedge
transactions was approximately $286.2 million. Also, concurrently with the
offering of the Notes due 2026 and Notes due 2028, we entered into
privately-negotiated warrant transactions whereby we issued warrants to acquire
shares of our common stock at a strike price of $397.91 rather than the
conversion price of $307.47 and $284.87 for Notes due 2026 and Notes due 2028,
respectively. We received approximately $220.8 million from the sale of
warrants.
Cash from operations could be affected by various risks and uncertainties,
including, but not limited to, the effects of COVID-19 and other risk factors
discussed in the section entitled "Risk Factors" included in our Annual Report
on Form 10-K for the fiscal year ended December 31, 2020 filed on February 16,
2021. We believe that our cash flow from operations with existing cash and cash
equivalents will be sufficient to meet our anticipated cash needs for at least
the next 12 months and thereafter for the foreseeable future. Our future capital
requirements will depend on many factors including our growth rate, the timing
and extent of spending to support development efforts, the expansion of sales
and marketing activities, the introduction of new and enhanced products, the
costs to acquire or invest in complementary businesses and technologies, the
costs to ensure access to adequate manufacturing capacity, the continuing market
acceptance of our products and macroeconomic events such as the impacts from
COVID-19. We may also choose to seek additional equity or debt financing. In the
event that additional financing is required from outside sources, we may not be
able to raise it on terms acceptable to us or at all. If we are unable to raise
additional capital when desired, our business, operating results, and financial
condition may be adversely affected.
Stock Repurchase Program
In April 2020, our board of directors authorized the repurchase of up to $200.0
million of our common stock, exclusive of brokerage commissions. Purchases will
be completed from time to time in the open market or through structured
repurchase agreements with third parties. Such purchases are expected to
continue through March 2022 unless otherwise extended or shortened by our board
of directors. The timing and amount of repurchases will depend on a variety of
factors, including the price of our common stock compared to the intrinsic
value, alternative investment opportunities, corporate and regulatory
requirements and market conditions. As of March 31, 2021, we have not
repurchased any shares under this repurchase program.
                   Enphase Energy, Inc. | 2021 Form 10-Q | 49

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Cash Flows. The following table summarizes our cash flows for the periods
presented:
                                                 Three Months Ended
                                                     March 31,
                                                2021           2020
                                                   (In thousands)

Net cash provided by operating activities $ 75,841 $ 39,222 Net cash used in investing activities (90,179) (3,353) Net cash provided by financing activities 824,671 262,071 Effect of exchange rate changes on cash

           (702)          (205)

Net increase in cash and cash equivalents $ 809,631 $ 297,735




Cash Flows from Operating Activities
Cash flows from operating activities consist of our net income adjusted for
certain non-cash reconciling items, such as stock-based compensation expense,
change in the fair value of investments, deferred income tax benefit, loss on
conversion of Notes due 2024 and Notes due 2025, depreciation and amortization,
and changes in our operating assets and liabilities. Net cash provided by
operating activities increased by $36.6 million for the three months ended March
31, 2021 compared to the same period in 2020, was primarily due to an increase
in our gross profit as a result of increased revenue, partially offset by higher
operating expenses as we continue to invest in the long-term growth of our
business and also by $15.6 million cash repayment deemed attributable to
accreted debt discount as an amount paid for settlement of $87.1 million and
$217.7 million in aggregate principal amount of the Notes due 2024 and Notes due
2025, respectively.
Cash Flows from Investing Activities
For the three months ended March 31, 2021, net cash used in investing activities
was primarily from approximately $30.5 million, net of cash acquired from the
acquisition of Sofdesk, approximately $24.8 million from the acquisition of
DIN's solar design services business, $25.0 million from the investment in a
debt security, and $9.9 million used in purchases of test and assembly equipment
to expand our supply capacity, related facility improvements and information
technology enhancements and capitalized costs related to internal-use software.
For the three months ended March 31, 2020, net cash used in investing activities
was $3.4 million, primarily used in purchases of test and assembly equipment to
expand our supply capacity, related facility improvements and information
technology enhancements, and capitalized costs related to internal-use software.
Cash Flows from Financing Activities
For the three months ended March 31, 2021, net cash provided by financing
activities of $824.7 million was primarily from $1,189.4 million net proceeds
from the issuance of our Notes due 2028 and Notes due 2026, $220.8 million from
sale of warrants related to our Notes due 2028 and Notes due 2026, and
$0.2 million net proceeds from employee stock option exercises, partially offset
by $286.2 million purchase of convertible note hedge related to our Notes due
2028 and Notes due 2026, $289.2 million cash paid to settle both $87.1 million
in aggregate principal amount of the Notes due 2024 and $217.7 million in
aggregate principal amount of the Notes due 2025, $9.2 million payment of
employee withholding taxes related to net share settlement of equity awards, and
$1.1 million of repayment on sale of long-term financing receivables.
For the three months ended March 31, 2020 net cash provided by financing
activities of $262.1 million was primarily from $313.0 million net proceeds from
the issuance of our Notes due 2025, $71.6 million from sale of warrants related
to our Notes due 2025, $2.0 million net proceeds from employee stock option
exercises and issuance of common stock under our employee stock incentive
program, partially offset by $89.1 million purchase of convertible note hedge
related to our Notes due 2025, $34.3 million payment of employee withholding
taxes related to net share settlement of equity awards and $1.1 million of
repayment on sale of long-term financing receivables.
                   Enphase Energy, Inc. | 2021 Form 10-Q | 50
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Contractual Obligations
Our contractual obligations primarily consist of our Notes due 2028, Notes due
2026, Notes due 2025, Notes due 2024 Notes due 2023, obligations under operating
leases and inventory component purchase. As of March 31, 2021, except as shown
in the table below, there have been no material changes from our disclosure in
our Annual Report on Form 10-K for the fiscal year ended December 31, 2020. For
more information on our future minimum operating leases and inventory component
purchase obligations as of March 31, 2021, see Note 9, "Operating Leases"
section and "Purchase Obligations" section of the notes to condensed
consolidated financial statements included in Part I, Item 1 of this Form 10-Q.
The following table updates our contractual obligations as of March 31, 2021
associated with the Notes due 2024, Notes due 2025, Notes due 2026 and Notes due
2028. For more information on our Notes due 2024, Notes due 2025, Notes due 2026
and Notes due 2028, see Note 8, "Debt" of the notes to condensed consolidated
financial statements included in Part I, Item 1 of this Form 10-Q.
                                                                    

Payments Due by Period


                                                    2021 (remaining
                                  Total              nine months)            2022-2023          2024-2025          Beyond 2025

                                                                        (In thousands)

Notes due 2024 principal and
interest                      $     1,106          $           11          

$ 22 $ 1,073 $ - Notes due 2025 principal and interest (1)

                      103,284                     213                 512            102,559                    -
Notes due 2026 principal and
interest                          632,500                       -                   -                  -              632,500
Notes due 2028 principal and
interest                          575,000                       -                   -                  -              575,000

Total                         $ 1,311,890          $          224          $      534          $ 103,632          $ 1,207,500




(1) Reflects the request for conversion of approximately $0.1 million in
principal amount of our Notes due 2025 received through issuance of the
condensed consolidated financial statements on April 27, 2021, of which we have
elected to settle the aggregate principal amount of the Notes due 2025 in a
combination of cash and any excess in shares of our common stock in accordance
with the applicable indenture. Such conversion will be settled in May 2021.
Off-Balance Sheet Arrangements
As of March 31, 2021, we did not have any off-balance sheet arrangements, as
defined in Item 303(a)(4)(ii) of SEC Regulation S-K.
Critical Accounting Policies
Our condensed consolidated financial statements are prepared in accordance with
accounting principles generally accepted in the U.S., or GAAP. In connection
with the preparation of our condensed consolidated financial statements, we are
required to make assumptions and estimates about future events and apply
judgments that affect the reported amounts of assets, liabilities, revenue,
expenses and related disclosures. We base our assumptions, estimates and
judgments on historical experience, current trends and other factors that
management believes to be relevant at the time our condensed consolidated
financial statements are prepared. On a regular basis, we review the accounting
policies, assumptions, estimates and judgments to ensure that our condensed
consolidated financial statements are presented fairly and in accordance with
GAAP. However, because future events and their effects cannot be determined with
certainty, actual results could differ from our assumptions and estimates. To
the extent that there are material differences between these estimates and
actual results, our future financial statement presentation, financial
condition, results of operations and cash flows will be affected.
The worldwide spread of the COVID-19 virus has resulted in a global slowdown of
economic activity which decreased demand for a broad variety of goods and
services, including from our customers, while also disrupting sales channels and
marketing activities for an unknown period of time and may continue to create
significant uncertainty in future operational and financial performance. This
had a negative impact on our sales and our results of operations for since the
second quarter of 2020 and we expect this to continue to have a negative impact
on our sales and our results of operations in the second quarter of 2021. In
preparing our condensed consolidated financial statements in accordance with
GAAP, we are required to make estimates, assumptions and judgments that affect
the amounts reported in our financial statements and the accompanying
disclosures. Estimates and assumptions about future events and their effects
cannot be determined with certainty and therefore require the exercise of
judgment. As of the date of issuance of these financial statements, we are not
aware of any specific event or
                   Enphase Energy, Inc. | 2021 Form 10-Q | 51
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circumstance that would require us to update our estimates, judgments or revise
the carrying value of our assets or liabilities. These estimates may change, as
new events occur and additional information is obtained, and are recognized in
the condensed consolidated financial statements as soon as they become known.
Actual results could differ from those estimates and any such differences may be
material to our financial statements.
We consider an accounting policy to be critical if it requires an accounting
estimate to be made based on assumptions about matters that are highly uncertain
at the time the estimate is made, and if different estimates that reasonably
could have been used, or changes in the accounting estimates that are reasonably
likely to occur periodically, could materially impact the condensed consolidated
financial statements.
Adoption of New and Recently Issued Accounting Pronouncements
Refer to Note 1. "Summary of Significant Accounting Policies" section of the
notes to condensed consolidated financial statements included in Part I, Item 1
of this Form 10-Q for a discussion of adoption of new and recently issued
accounting pronouncements.
                   Enphase Energy, Inc. | 2021 Form 10-Q | 52

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