MO SB1473

Electrical corporations must file tariffs within 90 days of August 28, 2026 to provide rebates to customer-generators installing energy storage systems paired with new or existing solar electric systems

Rebate amounts decrease over time: $2.00/watt for systems operational by June 30, 2027; $1.50/watt (July 2027-June 2028); $1.00/watt (July 2028-June 2029); $0.50/watt (July 2029-June 2031); $0.25/watt (July 2031-June 2032)

Annual and aggregate rebate caps vary by utility size: corporations with 1 million+ customers capped at $5.6 million annually/$28 million total; 200,000-1 million customers capped at $1.6 million annually/$8 million total; 200,000 or fewer customers capped at $1.4 million annually/$7 million total

Eligible customer-generators must install smart inverters, connect energy storage to solar systems, and transfer all renewable energy credits to the electrical corporation for 10 years

Electrical corporations may recover rebate costs through base rates or rate adjustment mechanisms, with deferrals and amortization over up to 5 years subject to a 1% maximum average retail rate increase limitation