City of Madison electricity rates
Municipal utility · South Dakota · MRO region · SPP
City of Madison is a city-owned municipal utility, governed locally rather than by the state commission, serving 2,818 homes in South Dakota. Its residential customers pay an average of 12.95¢/kWh including fixed and delivery charges, 28% less than the U.S. average.
Rate basis: EIA-861M monthly utility data, 12 months ending 2026-07.
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City of Madison bill estimates
| Monthly use | At average all-in rate | Base tariff charges* |
|---|---|---|
| 500 kWh | $64.75 | $66.28 |
| 1,000 kWh | $129.50 | $111.43 |
| 1,500 kWh | $194.25 | $148.06 |
| 2,000 kWh | $259.00 | $184.69 |
*Residential (effective 2014-06-04, $13.14/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 Madison residential rate plans
| Plan | Effective | Customer charge | Energy charges |
|---|---|---|---|
| Residential | 2014-06-04 | $13.14 | 17.02¢ first 100 kWh, 9.03¢ first 1,000 kWh, 7.33¢ after |
| Residential(Outside the City) | 2014-06-04 | $15.77 | 20.42¢ first 100 kWh, 10.84¢ first 1,000 kWh, 8.79¢ after |
Source: OpenEI U.S. Utility Rate Database. Rates change. Check the linked tariff or your bill for current figures.
City of Madison rate history
2015–2025: +8% change in the average residential rate (11.49¢ → 12.41¢). Annual EIA-861 data.
Outages & reliability
Right now
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Reliability history
City of Madison 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 Madison's counties, customers averaged 61 min without power.
| County | Outage min/customer | Days with outages | Peak customers out | Worst day |
|---|---|---|---|---|
| Lake | 61 | 17 | 893 | 2025-08-17 |
City of Madison service area
City of Madison serves Lake County in South Dakota and 1 ZIP codes.
Lake
Cities: Madison
Programs, smart meters & solar
| Smart meters (AMI) for homes | 0% |
| Time-based rate programs | None reported |
| Net-metered solar homes | 0 reported |
| Homes in demand response (e.g. thermostat rebates) | 2,075 |
| Residential efficiency incentives paid (2025) | $4,700 |
| Residential energy saved by programs | 1 MWh |
City of Madison at a glance
| Ownership | Municipal utility |
| Services | Distribution |
| Commercial rate | 12.45¢/kWh |
| Industrial rate | 11.24¢/kWh |
| Retail revenue (2025) | $11,224,000 |
| Electricity sold (2025) | 96,054 MWh |
| Peak demand | 20 MW summer · 20 MW winter |
| Line losses | 4.6% |
| Balancing authority | MISO |
| EIA utility ID | 11475 |
Other utilities in South Dakota
Frequently asked questions
What is City of Madison's electricity rate?
City of Madison residential customers pay an average of 12.95¢ per kWh, all charges included (EIA-861M monthly utility data, 12 months ending 2026-07). That's 9% below the South Dakota average of 14.20¢ and 28% below the U.S. average.
What is the average City of Madison electric bill?
About $137 a month. The average City of Madison home uses 1,057 kWh a month. At 1,000 kWh the bill would be about $130.
How many customers does City of Madison have?
City of Madison serves 2,818 residential customers and 3,361 customers in total 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 Madison before making decisions.