Idaho Power (Schedule 20, Speculative High-Density Load)
Large-load tariff for data centers: what is on file, the terms the filings state, and where each fact comes from. Terms a filing does not state are marked, never guessed.
StatusApproved Last reviewed 2026-01-01
Applies atRates mandatory at metered demand of 1,000 kW or more for three billing periods in 12; also for customers meeting four of seven high-density criteria
What the filing saysSchedule 20 applies to customers who can relocate quickly in response to short-term economic signals. Mandatory for customers meeting four or more of seven criteria (high energy density, high load factor, portable load, volatile growth, price sensitivity, industry with fast-growing demand, lack of credit history). Basic load capacity and billing demand are minimum 1,000 kW for Large Power Service.
Stated terms
This tariff does not yet have terms we can tabulate. The status text above is what the filings and our source state. See the source below.
Source
Idaho Power tariff book, Schedule 20 (current sheets 20-4 to 20-8, effective Jan 1 2026): https://puc.idaho.gov/Fileroom/PublicFiles/ELEC/IPC/General/0tariff/Idaho%20Power%20Company.pdf
Compare with other utilitiesEstimate the commitment in dollarsCheck a site in Idaho Power (Schedule 20 territory
Get an email when this changes
Other utilities in Idaho
Screening information from public filings, not legal or investment advice. Tariffs change; confirm the current terms with the utility and the commission before relying on them.