Energy Companies

Utilities, IPPs, oil and gas majors, renewable developers, transmission operators.

125 articles

Articles

9 min read

Western Atlas: Corporate History and Divisional Legacy

History of Western Atlas oilfield services company, its 1987 merger, 1998 acquisition by Baker Hughes, and legacy divisions.

13 min read

Sprague Energy: Corporate History and Northeastern US Energy Operations

History of Sprague Energy, a US energy company founded in 1870, its coal shipping legacy, and modern natural gas operations.

16 min read

Prisma Energy International: Corporate History and Enron Legacy

History of Prisma Energy International, the former Enron subsidiary sold to Ashmore Group in 2006.

12 min read

Natron Energy: Sodium-Ion Battery Development and Corporate History

Natron Energy was a US sodium-ion battery manufacturer founded in 2012 that ceased operations in 2025.

12 min read

Riverstone Holdings: Private Equity in Global Energy Infrastructure

Overview of Riverstone Holdings, a New York-based private equity firm focused on energy, power, and renewable infrastructure investments sin...

6 min read

Comverge: Corporate History and Demand Response Operations

Comverge was a US-based energy software company acquired by Itron in 2017, specializing in demand response and load management for electric...

7 min read

Spire Inc.: Corporate History and Natural Gas Operations

Spire Inc. is a US natural gas utility holding company based in St. Louis, with roots dating back to 1857 and NYSE listing since 1889.

10 min read

Enfinity Global: Corporate History and Renewable Energy Operations

Enfinity Global is a Miami-based independent power producer operating renewable energy and storage assets across the US, Italy, India, and J...

5 min read

GreatPoint Energy: Catalytic Hydromethanation and the China Coal-to-Gas Partnership

GreatPoint Energy produces natural gas from coal using catalytic hydromethanation, highlighted by a major 2012 partnership with China Wanxia...

13 min read

Tennessee Valley Authority: History, Operations and Regional Development

TVA is a federally-owned US utility providing power, flood control and economic development in the Tennessee Valley since 1933.

13 min read

REX American Resources: Corporate History and Energy Transition

REX American Resources is an American ethanol and natural gas company founded in 1980, transitioning from retail to energy investments.

9 min read

SunLight General Capital: Solar Development and Operations in North America

SunLight General Capital is a North American solar developer and operator founded in 2009, managing over 35 MW across more than 100 sites.

9 min read

Sequoyah Fuels Corporation: History, Operations and the 1986 Uranium Release

Decommissioned uranium processing plant in Oklahoma. Covers the 1986 UF6 release, environmental impact and corporate history.

9 min read

Kinder Morgan: Corporate History and Pipeline Infrastructure

Kinder Morgan is the largest natural gas pipeline operator in the US, owning 79,000 miles of pipelines.

14 min read

Zap Energy: Flowing Pinch Fusion Technology and Corporate History

Zap Energy is a US-based nuclear fusion company developing sheared-flow-stabilized Z-pinch reactors and compact fission systems.

19 min read

Element Markets: Environmental Asset Management and Renewable Energy Credits

Element Markets is a Houston-based LLC providing environmental asset management, REC trading, and carbon offset services to North American i...

11 min read

UIL Holdings Corporation: Corporate History and Merger with Iberdrola

UIL Holdings was a US energy company that merged with Iberdrola USA in 2015 to form Avangrid.

9 min read

FlexGen Power Systems: Energy Storage Technology and Corporate History

US energy storage company FlexGen, founded in 2009, develops HybridOS systems and acquired Powin in 2025.

13 min read

The Williams Companies: Corporate History, Pipeline Infrastructure and Strategic Evolution

History and operations of The Williams Companies, an American natural gas processing and transportation firm based in Tulsa, Oklahoma.

13 min read

HDG International Group: Coal Production and Appalachian Operations

HDG International Group is an American energy company producing coal, natural gas, and oil with headquarters in Charlotte, North Carolina.