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Nothing changes on home bills unless and until this tariff is approved, but its purpose is to keep future data center grid costs off residential rates.
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Madison Gas and Electric
Investor-owned utility (Madison Gas & Electric Co), regulated by the Public Service Commission of Wisconsin. The average Wisconsin home pays about $111 a month for electricity (EIA, 2024).
1 pending rate case
Each case below links its docket and sources.
Pending
Decided
Statewide matters that also hit Wisconsin bills
Transmission upgrades like this are typically billed to every electric customer in the state through transmission charges, not just to the data center that made the new line necessary, which is why the cost allocation question matters for ordinary bills even outside the four counties involved.
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How to have a say
Rate cases are decided by the Public Service Commission of Wisconsin, which takes written comments on every docket and holds public hearings on the big ones. Comment deadlines and hearing dates are on each case page above when we have them. The office that argues for households in these cases is the Citizens Utility Board of Wisconsin; its filings are the plain-English version of the utility's numbers.
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Other Wisconsin utilities with cases
We Energies investor-owned utility
Alliant Energy Wisconsin investor-owned utility
Xcel Energy Wisconsin investor-owned utility
Corrections and tips: [email protected]. Every figure links to its source on the case page.