BWC Origination 18 is a solar power facility located in Mattapoisett, Massachusetts, within the Northeast Power Coordinating Council region. With an operating capacity of 4.8 MW, this unregulated plant harnesses solar energy to generate electricity. The facility is operated by BWC Origination 18 and is majority-owned by Ameresco, which also serves as the owner holding company. The primary power purchaser for the plant is the Plymouth Housing Authority, reflecting a commitment to sustainable energy solutions in the community.