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Bay Area: what a 50 MW connection costs under Pacific Gas and Electric
What does a 50 MW connection cost in Bay Area?
In short. In Bay Area, Pacific Gas and Electric connects a 50 MW load under Electric Rule 30 (retail transmission-level interconnection 50 to 230 kV; advance-and-refund), docket CPUC D.25-07-039 (Application 24-11-007). Minimum bill: none (Rule 30 is a cost mechanism; PG&E has no large-load minimum-take tariff). Term: none in Rule 30. Realistic energization: 2031 to 2032. Open Factory's Large-Load Cost Table, as of August 21, 2026.
Facts
| Market | Bay Area, CA (CAISO) |
|---|---|
| Utility | Pacific Gas and Electric |
| Tariff or rule | Electric Rule 30 (retail transmission-level interconnection 50 to 230 kV; advance-and-refund) |
| Docket | CPUC D.25-07-039 (Application 24-11-007); sheet effective 2025-12-04 (interim implementation) |
| Status | approved (interim) |
| Large-load threshold | transmission-level service (no MW figure in the rule) |
| Study fee | Rule 30 study process (deposit amount not in the sheet) |
| Security or collateral | advance equal to the project-specific cost estimate for service facilities interconnection upgrades and network upgrades |
| Minimum bill | none (Rule 30 is a cost mechanism; PG&E has no large-load minimum-take tariff) |
| Contract term | none in Rule 30 |
| Ramp | none |
| Exit fee | terminate before in-service: PG&E keeps costs incurred and returns the rest; terminate after in-service: all remaining refunds forfeited |
| CIAC exposure | customer advances 100% of Facility Types 1 to 3; refunds up to 10 years through the Base Annual Revenue Calculation with final rules set in A.24-11-007; Special Facilities carry a monthly cost-of-ownership charge |
| Realistic energization, 50 MW | 2031 to 2032 |
| Verification | VERIFIED (rule sheet) except study deposit amount |
| Data as of | August 21, 2026 |
Questions
What does a 50 MW connection cost in Bay Area?
Pacific Gas and Electric: study fee Rule 30 study process (deposit amount not in the sheet); collateral advance equal to the project-specific cost estimate for service facilities interconnection upgrades and network upgrades; minimum bill none (Rule 30 is a cost mechanism; PG&E has no large-load minimum-take tariff); term none in Rule 30.
When can a 50 MW load be energized in Bay Area?
2031 to 2032. CPS Energy planning presentation: Silicon Valley 72 months; PG&E has 12.7 GW in pipeline with 490 MW of executed interconnection agreements and expects to serve 1.8 GW by 2030.
Which tariff applies to large loads in Bay Area?
Electric Rule 30 (retail transmission-level interconnection 50 to 230 kV; advance-and-refund); docket CPUC D.25-07-039 (Application 24-11-007); sheet effective 2025-12-04 (interim implementation); status: approved (interim).
Is this rate proposed or approved?
Approved or in effect as of the data date (approved (interim)). VERIFIED (rule sheet) except study deposit amount.
Sources
- Open Factory Large-Load Cost Table
- pge.com (effective 2025-12-04)
- eta-publications.lbl.gov p.8
- utilitydive.com (2026-07-24)
Data as of August 21, 2026. This page is rebuilt from the same table the Large-Load Interconnection Cost, the API and the MCP server read, so the figures cannot differ. Also available as plain markdown. Cite as Open Factory, Bay Area: what a 50 MW connection costs under Pacific Gas and Electric, August 21, 2026.
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