Public Act No. 21-180 Summary

• Exempts Class I renewable energy sources and hydropower facilities from property taxes when installed for private residential or farm use, provided annual production does not exceed annual load and installation is for single-family dwellings, 2-4 unit multifamily buildings, or farms, effective October 1, 2021.

• Allows net metering participation and third-party ownership of residential renewable energy systems without disqualifying the exemption; exemption for passive/active solar and geothermal systems applies only to the value exceeding conventional system value.

• Provides property tax exemptions for commercial and industrial renewable energy installations in distressed municipalities with populations between 125,000-135,000 for systems installed on or after January 1, 2010, with nameplate capacity not exceeding location load.

• Permits municipalities to abate up to 100% of property taxes for renewable energy systems installed January 1, 2010-December 31, 2013 for commercial/industrial purposes, and allows abatement for power purchase agreement-backed Class I renewable sources for the agreement term.

• Requires annual written applications filed by November 1st with local assessors using forms prepared by the Secretary of the Office of Policy and Management in consultation with assessing officers and the Connecticut Green Bank.