ReferenceLarge-load power by market
Phoenix (SRP): what a 50 MW connection costs under Salt River Project
What does a 50 MW connection cost in Phoenix (SRP)?
In short. In Phoenix (SRP), Salt River Project connects a 50 MW load under E-67 price plan (board-approved in the 2025 pricing process) and the Large Customer Integration Process (LCIP), docket SRP board pricing process 2025 (LBNL lists E-00000A-25-0069). Minimum bill: greater of actual use or 80% of forecasted demand (SRP may reduce if the customer pays for generation and infrastructure SRP would not otherwise build). Term: not published. Realistic energization: 2028 to 2029. Open Factory's Large-Load Cost Table, as of August 21, 2026.
Facts
| Market | Phoenix (SRP), AZ (SRP (public power)) |
|---|---|
| Utility | Salt River Project |
| Tariff or rule | E-67 price plan (board-approved in the 2025 pricing process) and the Large Customer Integration Process (LCIP) |
| Docket | SRP board pricing process 2025 (LBNL lists E-00000A-25-0069) |
| Status | approved |
| Large-load threshold | 20 MW of forecast load |
| Study fee | LCIP study (fee not published) |
| Security or collateral | customer pays LCIP-identified upgrades upfront |
| Minimum bill | greater of actual use or 80% of forecasted demand (SRP may reduce if the customer pays for generation and infrastructure SRP would not otherwise build) |
| Contract term | not published |
| Ramp | not published |
| Exit fee | not published |
| CIAC exposure | dedicated transmission and substations paid by the customer; all LCIP upgrade costs paid upfront |
| Realistic energization, 50 MW | 2028 to 2029 |
| Verification | PARTIAL (minimum bill and upfront payment verified via SRP commentary and LBNL; term and exit not public) |
| Data as of | August 21, 2026 |
Questions
What does a 50 MW connection cost in Phoenix (SRP)?
Salt River Project: study fee LCIP study (fee not published); collateral customer pays LCIP-identified upgrades upfront; minimum bill greater of actual use or 80% of forecasted demand (SRP may reduce if the customer pays for generation and infrastructure SRP would not otherwise build); term not published.
When can a 50 MW load be energized in Phoenix (SRP)?
2028 to 2029. JLL 2026 outlook: ~2.5 years average for a new 50 MW data center in Phoenix; data centers were 441 MW or 5.1% of SRP's 8, 542 MW 2025 peak; first LCIP cluster study of 25 applicants produced mixed results (CBRE H2 2025).
Which tariff applies to large loads in Phoenix (SRP)?
E-67 price plan (board-approved in the 2025 pricing process) and the Large Customer Integration Process (LCIP); docket SRP board pricing process 2025 (LBNL lists E-00000A-25-0069); status: approved.
Is this rate proposed or approved?
Approved or in effect as of the data date (approved). PARTIAL (minimum bill and upfront payment verified via SRP commentary and LBNL; term and exit not public).
Sources
- Open Factory Large-Load Cost Table
- azcapitoltimes.com (2026-03-31; SRP general manager commentary)
- eta-publications.lbl.gov p.5
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, Phoenix (SRP): what a 50 MW connection costs under Salt River Project, August 21, 2026.
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