NY S01527

Exempts commercial energy storage systems equipment and installation costs from state sales tax, where such systems are installed on non-residential premises to store electricity for later use in heating, cooling, hot water, or electricity

Exempts electricity sales from sellers primarily engaged in energy storage system equipment sales when the electricity is generated by equipment owned by someone other than the purchaser and installed on the purchaser's non-residential premises

Allows cities, counties, and school districts to opt into the commercial energy storage systems exemption for local sales taxes, but the exemption does not automatically apply at the local level

Establishes that local governments electing to adopt or repeal the commercial energy storage equipment exemption must do so effective on March 1, June 1, September 1, or December 1, with 90 days advance notice to the tax commissioner