301 Chestnut Solar NG is a solar power facility located in East Longmeadow, Massachusetts, within the Northeast Power Coordinating Council (NERC) region. The plant operates with a capacity of 2 megawatts (MW) and is part of the ISO New England power control area. It is managed by NuGen Capital Management, which serves as both the majority owner and the holding company. The facility operates under an unregulated status, utilizing solar energy as its primary fuel source. Additionally, Duke Energy Progress is noted as another owner of the power plant.