DGC Group

DGC Group ("Diamond or DGC") is a worldwide leader in safe, clean electricity generation and energy services. We are a wholly owned subsidiary of Mitsubishi Corporation, one of the largest globally integrated business enterprises in the world.

The Diamond team understands power generation based on our owner / operator / trader experience. We share this experience by providing turnkey project solutions for investors - and a range of specific energy services as required.  Our core capabilities include:

  • Project Development
  • Distributed Energy Resources
  • Asset Management
  • Operations & Maintenance
  • Energy Management
  • Energy Trading
  • Retail Solutions
Mariposa Energy Center

Sustainable Solutions Across the Energy Spectrum

For 20 years, Diamond has embraced new technologies and delivered innovative solutions to meet the exacting demands of a marketplace that places a premium on sustainable energy.

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Global Reach

Powerful family of providers

Diamond is part of Mitsubishi Corporation, one of the largest industrial companies in the world. Our extended family of companies brings value across the full spectrum of the energy value chain.

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The energy solution for today – and tomorrow

We provide sustainable power in North America, from project development, operations & maintenance, and energy commodities trading to asset management and ownership.

We generate and supply
clean power
We trade electricity across
North America
We deliver locally generated solar power to customers
We provide innovative choices to retail customers