Electric Consumer

Editor: Katerine G., Editor & Data Researcher · Research & publishing: Electric Consumer Editorial Team · Data retrieved · Sources named on this page: EIA · How we got these numbers · Report an error

South Dakota rate cases: asked vs granted

59%of the dollars South Dakota utilities asked for were granted in 1 verified decision

$43.6 million asked, $25.6 million granted. That is 4 points above the 55% for all 8 comparable states.

South Dakota cases we verified

South Dakota: 1 verified electric rate case rows
Utility and stepDocketAsked, $MGranted, $MShareDecidedSource
Xcel Energy, annualnot stated in release43.625.658.7%May 8, 2026South Dakota state news release

What South Dakota regulators decided

Xcel Energy (Northern States Power, South Dakota), annual: asked $43.6 million, granted $25.6 million, 58.7% of the request (May 8, 2026). In South Dakota, Xcel Energy got $18 million less than it asked, a 41% trim. The reported $13.48 a month works out to 1.8 cents on every kWh, about 13% on top of the 13.38 cent South Dakota average for 2025.

Asked and granted in South Dakota

South Dakota electric rate cases: asked, granted and cut, million dollarsaskedgrantedcut below request (granted total not given)Xcel Energy, annual43.625.6million dollars a year unless the source gives a multi-year total

What the South Dakota increase means for your bill (illustration)

How the South Dakota numbers are measured

  • Xcel Energy, annual. Basis: annual electric revenue increase. Release gives about 16.2% asked and 9.5% granted. Interim rates ran from Jan 1, 2026, with a refund of the difference.

South Dakota requests filed in 2026, outcome not checked

South Dakota electric rate requests listed by PowerLines
UtilityCustomersFiledAsked, $B
Black Hills Energy75,000February 20260.1

PowerLines data, counted in no South Dakota share.

Context

The 2025 EIA home price in South Dakota was 13.38 cents per kWh, number 38 of 51 areas. At 1,005 kWh a month that is about $134 a bill.

Rules on South Dakota utility rates: South Dakota Public Utilities Commission, puc.sd.gov.

Keep going

Sources

South Dakota price and use: EIA. South Dakota rows as data: CSV.

Questions

How much did Xcel Energy ask for in South Dakota, and what was granted?

Xcel Energy (Northern States Power, South Dakota), annual: asked $43.6 million, granted $25.6 million, 58.7% of the request (May 8, 2026).

When did South Dakota regulators decide these cases?

The newest South Dakota decision we verified is dated May 8, 2026. Docket: a docket number that our South Dakota sources do not name.

What did the South Dakota decision add to a monthly bill?

For Xcel Energy, about $13.48 more a month in 2026 at 750 kWh a month, per South Dakota state news release.

Is the South Dakota granted share of 59% typical?

South Dakota has 1 decision behind its 59%. Across 8 states the range is 11% to 77%.

Where do I find the South Dakota docket?

Ask South Dakota Public Utilities Commission for a docket number that our South Dakota sources do not name. Start at https://puc.sd.gov/commission/publication/electricratecasehandout.pdf.

Do these cover every South Dakota rate case?

No. South Dakota has other electric cases; the 2026 table above adds 1 request with outcome unchecked.

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59% of the dollars South Dakota utilities asked for were granted in 1 verified decision