The Washington WS01 solar power facility, located in Washington, Maine, operates under the jurisdiction of the Northeast Power Coordinating Council within the ISO New England power control area. With an operating capacity of 4 MW, this unregulated solar plant harnesses solar energy as its primary fuel source. The facility is managed by Nautilus Solar Solutions, which also serves as the majority owner. The ownership is held by the Desmarais Family Residual Trust, reflecting a commitment to sustainable energy solutions in the region.