Mark R. Sudbey
Chief Executive Officer at US Power Generating Co. LLC
Profile
Mark R.
Sudbey is currently the Chief Executive Officer at US Power Generating Co. LLC and the Chief Executive Officer at Eastern Generation LLC.
Previously, he held positions as the Chief Executive Officer at Alpha Generation, Inc., Vice President-Energy Management Power Holdings at Orion Power Holdings, Inc. from 1999 to 2002, President-New York & Southeast Regions at Reliant Energy, Inc. from 2002 to 2006, and as a Principal at PG&E National Energy Group, Inc. and New England Electric System.
He also served as the President & Chief Operating Officer at Astoria Generating Co. Holdings LLC and as the Executive Vice President at American Power Generating LLC.
Mr. Sudbey completed his undergraduate degree at the University of Massachusetts.
Mark R. Sudbey active positions
| Companies | Position | Start |
|---|---|---|
US Power Generating Co. LLC
 US Power Generating Co. LLC Electric UtilitiesUtilities US Power Generating Co. LLC owns and operates power generation facilities. The company was founded on December 10, 2013 and is headquartered in Stamford, CT. | Chief Executive Officer | 2008-08-31 |
Eastern Generation LLC
 Eastern Generation LLC Electric UtilitiesUtilities Eastern Generation LLC operates power generation facilities. The company is headquartered in Delaware, DE. | Chief Executive Officer | - |
Former positions of Mark R. Sudbey
| Companies | Position | End |
|---|---|---|
Alpha Generation, Inc.
 Alpha Generation, Inc. Miscellaneous Commercial ServicesCommercial Services Alpha Generation, Inc. operates as a holding American company whose subsidiary provides financial consulting, corporate development, and financial relations services. The private company is located in the US. Curtis A. Morgan has been the CEO of the company since 2024. | Chief Executive Officer | 2024-04-30 |
Reliant Energy, Inc.
 Reliant Energy, Inc. Electric UtilitiesUtilities Reliant Energy, Inc. generates and markets electricity. It has more than 14,000 megawatts of power generation capacity at 36 coal, oil and gas-fired plants across the United States. Reliant Energy is headquartered in Houston, TX. | Corporate Officer/Principal | 2005-12-31 |
Orion Power Holdings, Inc.
 Orion Power Holdings, Inc. Electric UtilitiesUtilities Orion Power Holdings, Inc. develops and operates power generating facilities. It acquires, owns, develops, manages and non-nuclear electric generating facilities that are deregulating the electric power industry in North America. Orion Power Holdings is headquartered in Baltimore, MD. | Corporate Officer/Principal | 2001-12-31 |
| New England Electric System | Corporate Officer/Principal | - |
PG&E National Energy Group, Inc.
 PG&E National Energy Group, Inc. Electric UtilitiesUtilities Part of PG & E Corp., PG & E National Energy Group, Inc. operates as a holding company. The company is based in Bethesda, MD. The company was founded by Frank de Rosa. | Corporate Officer/Principal | - |
Training of Mark R. Sudbey
| University of Massachusetts | Undergraduate Degree |
Experiences
Positions held
Connections
1st degree connections
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 9 |
|---|---|
US Power Generating Co. LLC
US Power Generating Co. LLC Electric UtilitiesUtilities US Power Generating Co. LLC owns and operates power generation facilities. The company was founded on December 10, 2013 and is headquartered in Stamford, CT. | Utilities |
| Astoria Generating Co. Holdings LLC | Utilities |
| American Power Generating LLC | |
Orion Power Holdings, Inc.
Orion Power Holdings, Inc. Electric UtilitiesUtilities Orion Power Holdings, Inc. develops and operates power generating facilities. It acquires, owns, develops, manages and non-nuclear electric generating facilities that are deregulating the electric power industry in North America. Orion Power Holdings is headquartered in Baltimore, MD. | Utilities |
Reliant Energy, Inc.
Reliant Energy, Inc. Electric UtilitiesUtilities Reliant Energy, Inc. generates and markets electricity. It has more than 14,000 megawatts of power generation capacity at 36 coal, oil and gas-fired plants across the United States. Reliant Energy is headquartered in Houston, TX. | Utilities |
PG&E National Energy Group, Inc.
PG&E National Energy Group, Inc. Electric UtilitiesUtilities Part of PG & E Corp., PG & E National Energy Group, Inc. operates as a holding company. The company is based in Bethesda, MD. The company was founded by Frank de Rosa. | Utilities |
| New England Electric System | Utilities |
Eastern Generation LLC
Eastern Generation LLC Electric UtilitiesUtilities Eastern Generation LLC operates power generation facilities. The company is headquartered in Delaware, DE. | Utilities |
Alpha Generation, Inc.
Alpha Generation, Inc. Miscellaneous Commercial ServicesCommercial Services Alpha Generation, Inc. operates as a holding American company whose subsidiary provides financial consulting, corporate development, and financial relations services. The private company is located in the US. Curtis A. Morgan has been the CEO of the company since 2024. | Commercial Services |
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