Evidence linked
Downstream
Marathon Petroleum
U.S. downstream company combining a national refining system with fuel marketing, renewable fuels, logistics, and MPLX midstream assets.
New supply
Renewables, storage & low carbon
Developers, operators, manufacturers, and technology firms working across renewable generation, storage, hydrogen, carbon management, and emerging fuels.
- Profiles
- 15
- System layer
- power
- Reviewed
- Sep 4, 2026
Role in the system
What this sector controls
These companies add new generation, flexibility, and decarbonization pathways to the energy system. Their projects connect resource quality, interconnection, contracts, equipment, financing, and operations over long asset lives.
Use this sector to find project developers and technology providers by resource, technology, project role, market, deployment stage, and the infrastructure needed to reach commercial operation.
Evidence-backed directory
Low carbon companies
Evidence linked
Downstream
Phillips 66
Integrated downstream company spanning refining, midstream, chemicals, marketing, renewable fuels, and global supply and trading.
Evidence linked
Downstream
Valero Energy
Transportation-fuels manufacturer combining petroleum refining with ethanol, renewable diesel, sustainable aviation fuel, and logistics.
Evidence linked
Power & grid
NextEra Energy
Energy company combining a regulated Florida electric utility with a broad generation and infrastructure-development business.
Evidence linked
Power & grid
Constellation Energy
Competitive U.S. power generator and retail supplier with a generation fleet led by nuclear energy and nationwide customer reach.
Evidence linked
Power & grid
Duke Energy
Regulated electric and natural-gas utility serving U.S. Southeast and Midwest markets while investing in generation and grid infrastructure.
Evidence linked
Field services
SLB
Global energy-technology company providing subsurface, well-construction, production, digital, and decarbonization technologies.
Evidence linked
Field services
Baker Hughes
Energy-technology company combining oilfield services with industrial equipment, LNG, turbomachinery, digital, and lower-carbon solutions.
Evidence linked
Trading & logistics
Trafigura
Global commodity merchant connecting producers and consumers through physical trading, storage, shipping, logistics, and operating assets.
Evidence linked
Trading & logistics
Mercuria
Asset-backed global commodity trader combining physical and financial markets with logistics, infrastructure, finance, and transition investments.
Evidence linked
AI & analytics
Gridmatic
AI-enabled power marketer using forecasting and automated optimization for storage, electricity supply, flexible loads, and market participation.
Evidence linked
Operators
PETRONAS
Malaysia's national oil and gas company with an integrated global portfolio across upstream, gas, LNG, downstream, chemicals, maritime, and lower-carbon energy.
Evidence linked
Engineering & EPC
Bechtel
Global engineering, construction, procurement, and project-management company delivering major LNG, power, nuclear, fuels, and transition infrastructure.
Evidence linked
Engineering & EPC
Worley
Global engineering, project, and asset-management company serving energy, chemicals, resources, and complex infrastructure across the full lifecycle.
Evidence linked
Engineering & EPC
Fluor
Global engineering, procurement, construction, fabrication, modularization, and project-management company serving energy and industrial markets.
Adjacent layers