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Spruce is the largest private owner and operator of residential distributed energy resources in North America.
Link Industrial Technologies Ltd. is a Edmonton, AB-based company in the Energy and Utilities sector.
China Sunergy Clean Tech is a San Francisco, CA-based company in the Energy and Utilities sector.
Arista Power is a Geneseo, NY-based company in the Energy and Utilities sector.
CREATING A SUSTAINABLE ENERGY FUTURE. Learn more We are hep Petra. At hep Petra, we work to secure a clean energy future by harnessing the power of renewable energy. We use the diverse experience and industry knowledge of our team to