Incentivizing grid-connected residential battery energy storage systems in Washington.

The bill provides incentives for residential battery energy storage systems connected to the grid. It allows qualified light and power business customers to apply for a one-time battery incentive between July 1, 2026, and June 30, 2036. The incentive amount varies based on customer income level, with low-income and moderate-income customers eligible for up to $765 per kilowatt-hour of battery storage capacity, capped at 18 kilowatt-hours per customer. Other customers can receive up to $450 per kilowatt-hour, also capped at 18 kilowatt-hours.

Incentivizing grid-connected residential battery energy storage systems in Washington.

The bill provides incentives for residential battery energy storage systems connected to the grid. It allows qualified light and power business customers to apply for a one-time battery incentive between July 1, 2026, and June 30, 2036. The incentive amount varies based on customer income level, with low-income and moderate-income customers eligible for up to $765 per kilowatt-hour of battery storage capacity, capped at 18 kilowatt-hours per customer. Other customers can receive up to $450 per kilowatt-hour, also capped at 18 kilowatt-hours.