An Act providing solar energy to state agencies

SD 411 requires Massachusetts state agencies to install solar energy systems on new state buildings or major renovations costing over $25,000 that affect energy systems, starting January 1, 2026. The law mandates that solar systems must meet 100% of a building’s annual electricity demand if sufficient roof space exists, or use ground-mounted systems (without harming natural/historic resources) if roof space is limited. Agencies may also use substitute renewable energy systems (like wind or geothermal) that meet equivalent electricity needs or seek exemptions for very small solar areas (<80 sq ft) or when equivalent renewable systems are planned. This bill directly affects state agencies managing public buildings and aims to increase renewable energy use in government operations.