FERC Receives Flood of Solar Projects and Rate Filings Updates
Published Date: 3/25/2026
Notice
Summary
The Federal Energy Regulatory Commission got a bunch of filings from energy companies about solar projects, power plants, and electricity rates. These filings include updates and fixes to rules that could affect how much you pay for electricity and when changes take effect, with deadlines for public comments coming up in early April. If you care about clean energy or your electric bill, now’s the time to pay attention!
Analyzed Economic Effects
2 provisions identified: 0 benefits, 0 costs, 2 mixed.
Multiple electricity rate changes
The Federal Energy Regulatory Commission received many filings that propose changes to electricity rates, tariffs, and penalties with effective dates listed between March 1, 2020 and June 1, 2026 (examples: GridLiance tariff effective 3/1/2020; Public Service Company of Colorado filing effective 12/20/2025; PacifiCorp tariff amendment effective 1/1/2026; MISO load‑modifying penalties effective 6/1/2026). These filings have public comment deadlines in early April 2026 (examples: 5 p.m. ET 4/8/26, 4/9/26, 4/10/26, and one PJM filing with comment date 3/24/26).
Solar project filings and waivers
The Commission docket lists corporate and tariff filings from solar project companies (for example, Atlas Solar V, LLC and Atlas Solar VI, LLC filed a response on 3/18/26 with a comment date of 5 p.m. ET 4/8/26; Mustang Mile Solar Energy LLC filed a request for a prospective tariff waiver on 3/20/26 with a comment date of 5 p.m. ET 4/10/26). These filings relate to project approvals, tariff waivers, and cancellations that affect solar project owners and developers.
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Key Dates
Department and Agencies
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