Black Hills Power (South Dakota), Economic Flexible Load Service tariff for blockchain loads
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 2026-10-14
Applies atInterruptible loads of 10 MW (10,000 kW) or more connected to Black Hills' system; written for new blockchain customers
What the filing saysAPPROVED by the South Dakota PUC on January 27, 2026 (Docket EL25-019, stipulation with staff; one commissioner dissented), effective January 29, 2026. Customers carry an appropriate share of system costs to limit stranded-asset, capacity and transmission-constraint impacts on other customers, and losses from the service are not recovered from other customers. This is an interruptible blockchain tariff, not a general data center tariff: whether a conventional data center can use it, and what firm-service terms apply, was not found. The detailed rate sheets were not readable.
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
South Dakota PUC order granting joint motion, Docket EL25-019 (read in full).
Compare with other utilitiesEstimate the commitment in dollarsCheck a site in Black Hills Power (South Dakota) territory
Get an email when this changes
Other utilities in South Dakota
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.