Hetch Hetchy Power and CleanPowerSF are programs of the San Francisco Public Utilities Commission (SFPUC), an enterprise department of the City and County of San Francisco.
OUR MISSION: To provide our customers with high-quality, efficient and reliable water, power and sewer services in a manner that values environmental and community interests and sustains the resources entrusted to our care.
525 Golden Gate Avenue, 7th Floor
San Francisco, CA 94102
T 415.554.0725
TTY 415.554.3488
sfpuc.org/power
DATE: September 8, 2025
TO: Clerk of the Board of Supervisors
THROUGH: Dennis J. Herrera, General Manager
Barbara Hale, Assistant General Manager, Power
Catherine Spaulding, Deputy Manager, Power
FROM: Suni Jones, Manager, Power Wholesale/Retail Services
SUBJECT: Resolution No. 095-23, approving Amendment No. 2 to Contract No. PR0.0152, Power Scheduling Coordination and Related Support Services, with APX Inc.
The following quarterly report has been prepared for the Board of Supervisors (Board) in accordance with Resolution No. 095-23.
Resolution No. 095-23 approved Amendment No. 2 to Contract No. PR0.0152, Power Scheduling Coordination and Related Support Services, with APX Inc.
This contract allows for the processing of the California Independent System Operator (CAISO) power transmission service charges. Board approval increased the contract by $636M for a total not to exceed contract amount of $896M, with no change to the five-year term from June 2022, through June 2027.
Per Resolution No. 095-23, the Board directed the SFPUC to submit quarterly reports showing actual CAISO charges compared with projections and remaining contract expenditures.
In summary:
CAISO actual pass-through charges for Year 1 totaled $173M. CAISO actual pass-through charges for Year 2 totaled $80M. CAISO actual pass-through charges for Year 3 totaled $65M. CAISO actual pass-through charges for Year 4 are $5.6M compared to the annual projected pass-through charges of $171M.
Remaining contract amounts are $335M for CleanPowerSF and $238M for Hetch Hetchy Power, for a total of $573M.
Exhibit 1 below shows a summary of contract expenditures for CAISO actual pass-through charges in year three of the contract and Exhibit 2 below shows a summary of contract expenditures so far in year four.
This report meets the quarterly report for Fiscal Year 2024/2025 and Fiscal Year 2025/2026 reporting requirements established by Resolution No. 095-23.
Should you have any questions, please contact Suni Jones, SFPUC Power Wholesale/Retail, Manager at [email protected] and (415) 554-1575.
BOS EXHIBIT 1: Year 3 CONTRACT EXPENDITURES
PROJECTED CONTRACT EXPENDITURES
Year CleanPowerSF Hetch Hetchy Power Total
Year 3 (6/2024- 5/2025) $91M $64M $155M
ACTUAL CONTRACT EXPENDITURES
Year CleanPowerSF Hetch Hetchy Power Total
Year 3 (6/2024 - 5/2025) $37M $28M $65M
PROJECTED MINUS ACTUAL
Year CleanPowerSF Hetch Hetchy Power Total
Year 3 (6/2024 - 5/2025) $54M $36M $90M
REMAINING CONTRACT EXPENDITURES
End Date 5/2027 CleanPowerSF Hetch Hetchy Power Total
$340M $239M $ 579M
BOS EXHIBIT 2: Year 4 CONTRACT EXPENDITURES
PROJECTED CONTRACT EXPENDITURES
Year CleanPowerSF Hetch Hetchy Power Total
Year 4 (6/2025 - 5/2026) $93M $78M $171M
ACTUAL CONTRACT EXPENDITURES
Year CleanPowerSF Hetch Hetchy Power Total
Year 4 (6/2025) $4.3M $1.3M $5.6M
PROJECTED MINUS ACTUAL
Year CleanPowerSF Hetch Hetchy Power Total
Year 4 (6/2025 - 5/2026) $89M $77M $165M
REMAINING CONTRACT EXPENDITURES
End Date 5/2027 CleanPowerSF Hetch Hetchy Power Total
$335M $238M $573M