City of Plankinton electricity rates
Municipal utility · South Dakota
City of Plankinton is a city-owned municipal utility, governed locally rather than by the state commission, serving 473 homes in South Dakota. Its residential customers pay an average of 11.41¢/kWh including fixed and delivery charges, 37% less than the U.S. average.
Rate basis: EIA-861 2025 annual data, adjusted to the 12 months ending 2026-07 using the state's price trend. This utility files EIA's short form, which reports total sales only, so the rate covers all customer classes.
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City of Plankinton bill estimates
| Monthly use | At average all-in rate | Base tariff charges* |
|---|---|---|
| 500 kWh | $57.05 | $86.50 |
| 1,000 kWh | $114.10 | $139.90 |
| 1,500 kWh | $171.15 | $184.90 |
| 2,000 kWh | $228.20 | $226.90 |
*Residential (effective 2014-11-01, $17.50/month customer charge), energy and fixed charges from the OpenEI Utility Rate Database. Riders, fuel adjustments and taxes are often billed separately, so real bills usually land closer to the all-in column. Calculate your bill.
City of Plankinton residential rate plans
| Plan | Effective | Customer charge | Energy charges |
|---|---|---|---|
| Residential | 2014-11-01 | $17.50 | 13.80¢ first 600 kWh, 9.90¢ first 1,200 kWh, 8.40¢ after |
| Heat | 2014-07-01 | — | 8.40¢ |
| Residential Out-of-Town Properties | 2009-12-01 | — | 15.40¢ first 100 kWh, 10.40¢ first 400 kWh, 8.00¢ after |
| Residential Rate In-City | 2009-04-01 | — | 17.50¢ first 100 kWh, 7.60¢ first 400 kWh, 6.00¢ after |
| Residential In-City | 2009-04-01 | — | 17.50¢ first 100 kWh, 7.60¢ first 400 kWh, 6.00¢ after |
Source: OpenEI U.S. Utility Rate Database. Rates change. Check the linked tariff or your bill for current figures.
City of Plankinton rate history
2015–2025: +33% change in the average residential rate (8.09¢ → 10.76¢). Annual EIA-861 data.
Outages & reliability
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Reliability history
City of Plankinton doesn't report reliability metrics to EIA (common for small utilities).
Outages in counties served (2025)
From ORNL EAGLE-I, which tracks customers without power every 15 minutes. These counts cover every utility in each county. Weighted across City of Plankinton's counties, customers averaged 111 min without power.
| County | Outage min/customer | Days with outages | Peak customers out | Worst day |
|---|---|---|---|---|
| Aurora | 111 | 5 | 701 | 2025-11-30 |
City of Plankinton service area
City of Plankinton serves Aurora County in South Dakota.
Aurora
Programs, smart meters & solar
| Smart meters (AMI) for homes | 100% |
| Time-based rate programs | None reported |
| Net-metered solar homes | 0 reported |
City of Plankinton at a glance
| Ownership | Municipal utility |
| Services | — |
| Retail revenue (2025) | $1,013,300 |
| Electricity sold (2025) | 9,422 MWh |
| Balancing authority | WACM |
| EIA utility ID | 15134 |
Other utilities in South Dakota
Frequently asked questions
What is City of Plankinton's electricity rate?
City of Plankinton residential customers pay an average of 11.41¢ per kWh, all charges included (EIA-861 2025 annual data, adjusted to the 12 months ending 2026-07 using the state's price trend). That's 20% below the South Dakota average of 14.20¢ and 37% below the U.S. average.
What is the average City of Plankinton electric bill?
About $189 a month. The average City of Plankinton home uses 1,660 kWh a month. At 1,000 kWh the bill would be about $114.
How many customers does City of Plankinton have?
City of Plankinton serves 473 residential customers in South Dakota, across 1 county.
Sources: EIA-861 2025 and EIA-861M (through July 2026), OpenEI URDB, ORNL EAGLE-I, U.S. Census. Methodology. Spot an error? Rates change often, so confirm with City of Plankinton before making decisions.