# Phoenix (SRP): what a 50 MW connection costs under Salt River Project

URL: https://open-factory.com/power/phoenix-srp/
Data as of: 2026-08-21
Publisher: Open Factory, https://open-factory.com

**What does a 50 MW connection cost in Phoenix (SRP)?** 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).

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## Sources

- [Open Factory Large-Load Cost Table](https://open-factory.com/models/large-load-cost-table/)
- [azcapitoltimes.com (2026-03-31; SRP general manager commentary)](https://azcapitoltimes.com/news/2026/03/31/the-facts-about-srp-and-data-centers/)
- [eta-publications.lbl.gov p.5](https://eta-publications.lbl.gov/sites/default/files/2026-08/rate_designs_large_loads_2026.08.10.pdf)

Model: https://open-factory.com/models/large-load-cost-table/
Calculator: https://open-factory.com/tools/interconnection-cost/