The electrical grid that we know today might not be possible without Edith Clarke. The first female electrical engineering professor in the US, she invented the Clarke calculator, a graphing calculator that enabled engineers to solve equations involving electric current, voltage, and impedance 10 times faster than by hand. Her electrical expertise also contributed to the design and building of hydroelectric dams, including the Hoover Dam, and paved the way for modern grids.
CleanPowerSF Issues Request For Offers: Disadvantaged Communities Green Tariff
The 2026 Disadvantaged Communities Green Tariff (Re-bid) (PUC.PRO.0223(R), Request for Offers (“RFO”), seeks to purchase energy and associated Environmental Attributes, Capacity Attributes, (and Resource Adequacy capacity, if available) from new Eligible Renewable Energy Resources located within 5 miles of an eligible Disadvantaged Communities for CleanPowerSF, San Francisco's Community Choice Aggregation program.
Moody’s Ratings Upgrades CleanPowerSF to A1, Recognizing the Strength of San Francisco’s Public Power Program
SAN FRANCISCO — Moody’s Ratings has upgraded the credit rating for San Francisco’s CleanPowerSF community choice energy program to A1 from A2, with a stable outlook. The upgrade reflects CleanPowerSF’s stronger cash reserves, steady financial management, and the program’s ability to adjust rates in a changing energy market. CleanPowerSF also has no outstanding debt.
San Francisco Public Utilities Commission Approves Unprecedented 20% to 25% Reduction in CleanPowerSF Electricity Supply Rates
CleanPowerSF proposes to lower rates by 20-25%
With winter in full swing, many of us are hunkering down indoors and using more electricity to power our homes and businesses. Unfortunately, during this time when we need clean energy most, PG&E is significantly increasing customer costs. That’s why CleanPowerSF is taking action to lower our generation rates by 20-25% to offset PG&E’s increased costs and provide stability for our customers.
Notice of Public Hearing
NOTICE OF PUBLIC HEARING
Tuesday, January 27, 2026 – 1:30 PM, to be held in City Hall, Room 400, 1 Dr. Carlton B. Goodlett Place, San Francisco, CA 94102, at a Regular Meeting of the SAN FRANCISCO PUBLIC UTILITIES COMMISSION: Public Hearing, discussion, and possible action to adopt the proposed CleanPowerSF (Community Choice Aggregation program) electric rates and charges for electric customers of the San Francisco Public Utilities Commission.
2025 Year in Review: Powering San Francisco’s Future, Together!
As we bid farewell to 2025 and take some time to recharge our batteries, the Power Enterprise wants to take a moment to reflect on our successes this past year. We continued to make progress on the City’s ambitious climate goals while ensuring cleaner energy remains affordable and accessible through CleanPowerSF.
As we look back on 2025, one theme stands out: San Francisco’s clean energy future is not just a plan on paper—it is happening now.
Free Webinar: Understanding the Changes Coming to Your Electric Bill
As San Francisco's not-for-profit clean energy provider, we are committed to providing clean, reliable, and affordable electricity for our customers. That's why are proposing to reduce rates by 25% for residential and some large commercial customers, and 20% for all other customers, beginning in March.
Notice of Public Hearing
NOTICE OF PUBLIC HEARING
Tuesday, January 27, 2026 – 1:30 PM, to be held in City Hall, Room 400, 1 Dr. Carlton B. Goodlett Place, San Francisco, CA 94102, at a Regular Meeting of the SAN FRANCISCO PUBLIC UTILITIES COMMISSION: Public hearing, discussion and possible action to approve the proposed CleanPowerSF Net Billing Tariff Schedule to be effective August 20, 2026, and a revised CleanPowerSF Net Energy Metering Tariff Schedule (NEM Tariff).
La Palma Powers Tradition and Community with CleanPowerSF
When it comes to celebrating Latino values and food, La Palma Mexicatessan knows how to do it! Since 1953, this hybrid of a grocery store, tortilla factory, and restaurant has been serving its community as the longest standing Latino owned business in the Mission. Calle 24 Latino Cultural District runs from Mission Street to Potrero Avenue includes specialty stores, taquerias, Mexican bakeries, grocers and art galleries, as well as the greatest concentration of murals and Latino businesses in the City. Mission Street to Potrero Avenue includes specialty stores, taquerias, Mexican bakeries, grocers and art galleries, as well as the greatest concentration of murals and Latino businesses in the City.
