The company uses a unique thermoplastic (made from recycled garbage) to manufacture building materials.
The 22 solar garden installations, once completed next year, will bring an additional 140 megawatts of power to the state.
Stock replaces former CEO Madhu Vuppuluri, who has been repositioned within the capital management division of Essar Steel Minnesota’s parent company.
The electric provider was only outranked by California-based utilities.
The city estimates it will save $28,000 this year on electricity through the agreement.
The state is seeing one of largest solar expansions in the country.
A recent report said the state’s clean energy workforce is expected to grow by 4.4 percent over the next 12 months.
The company was hit by currency fluctuations and costs involved with moving its Venezuelan operations.
A failure to deliver coal on schedule resulted in customers paying the price for outsourced electricity.