The US-based renewable power firm has not revealed the details of the stake now held by the financial company.

EC&R North America CEO Steve Trenholm said, "This transaction demonstrates EC&R’s commitment to boosting local economies and plays a major role in promoting clean, affordable, homegrown energy."

Banc of America Public Capital Corporation, which includes BofA Merrill’s Renewable Energy Finance group president Todd Karas said, "Our investment in the Pioneer Trail Wind Farm is another step in Bank of America’s 10-year, $20 billion environmental business commitment."

The wind farm, located in Ford and Iroquois counties, is 4 miles west of Paxton and has 94 GE 1.6MW turbines supplying more than 150MW of power to households in the central Illinois region.

The project, which went into service in mid-2012, is the 15th operational wind farm in North America for EC&R, giving the company more than 2,200 MW online.