Liberty (Empire District Electric), Missouri large load tariff case
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.
StatusPending Last reviewed 2026-10-14
Applies at25 MW or more of new or expanded load (Schedule TS-LL, as filed); Liberty may aggregate nearby premises
What the filing saysPENDING. Missouri PSC Case ET-2026-0184: Liberty filed Schedule TS-LL on September 11, 2026 (direct testimony read). Applies to new or expanded load of 25 MW or more, so an existing 20 MW customer adding 6 MW is not covered. A binding electric service agreement is required. Fixed term of at least 15 years plus an optional load ramp of up to 5 years, then automatic 5-year extensions. Contract capacity can only be cut with Liberty's approval, and exceeding it for more than 4 months in 12 forces an amendment. The bill has four parts: access and transmission demand charges, existing-generation charges, incremental facility charges for new resources, and other charges. For comparison, Ameren Missouri and Evergy's approved tariffs use 12 years plus a 5-year ramp and collateral of two years of minimum bills. This resolves the earlier conflict about Liberty's threshold: it is 25 MW in the filing.
Stated terms
Contract termFixed term of at least 15 years, then automatic 5-year extensions (Schedule TS-LL as filed)
6 more stated terms (contract term, minimum bill, collateral, exit fee, notice and time to power, as the filings state them) are shown to signed-in visitors. Create a free account to see them, or sign in.
Source
Liberty direct testimony of Charlotte Emery with the Schedule TS-LL term summary, ET-2026-0184 (efis.psc.mo.gov, read); Missouri PSC large-load fact sheet, April 2026 (read).
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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.