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Invenergy builds and runs large power plants — wind, solar, natural gas, and battery storage — and sells the electricity to utilities and big companies.
Invenergy is one of the biggest private power producers in the United States, and it does the whole job from start to finish: it finds a site, develops the project, builds the plant, and then operates it for decades. Its specialty is generating electricity and selling it under long-term contracts to utilities, cooperatives, and large corporations that want clean or reliable power.
The company's fleet spans several technologies. It is one of America's largest wind developers, with thousands of turbines across the country. It also builds utility-scale solar farms and natural gas plants, which can ramp up quickly when the wind isn't blowing or the sun isn't shining. And it has become a major player in battery storage — giant banks of batteries that soak up cheap power and release it when demand spikes, helping keep the grid stable. Invenergy doesn't just sell power in the U.S. It has expanded into Europe, Latin America, and Asia, and it increasingly serves big corporate customers — tech companies and manufacturers that sign long-term deals to buy clean electricity, often to meet their own climate goals. Earlier in its history, the company was a pioneer in wind energy at a time when many utilities were skeptical; today wind, solar, and storage are mainstream businesses, and Invenergy has grown alongside them.
The company remains privately held, controlled by its founder and CEO, Michael Polsky, who started it in 2001 after selling an earlier power business. That private status matters: Invenergy funds enormous projects — a single wind farm or gas plant can cost hundreds of millions or billions of dollars — largely by lining up investors and project financing rather than selling stock to the public. Long-term power contracts are the backbone of the model, because lenders and investors want predictable revenue before they put money into a plant that will run for decades.
Saved answer · last researched 15 Nov 2026