City of Big Stone City electricity rates
Municipal utility · South Dakota
City of Big Stone City is a city-owned municipal utility, governed locally rather than by the state commission, serving 401 homes in South Dakota. Its residential customers pay an average of 5.03¢/kWh including fixed and delivery charges, 72% 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 Big Stone City bill estimates
| Monthly use | At average all-in rate | Base tariff charges* |
|---|---|---|
| 500 kWh | $25.15 | $53.90 |
| 1,000 kWh | $50.30 | $97.80 |
| 1,500 kWh | $75.45 | $141.70 |
| 2,000 kWh | $100.60 | $185.60 |
*Residental Class II Regular (effective 2013-12-27, $10.00/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 Big Stone City residential rate plans
| Plan | Effective | Customer charge | Energy charges |
|---|---|---|---|
| Residental Class II Regular | 2013-12-27 | $10.00 | 8.78¢ |
| Residential Class I Controlled, All Electric Householdtime-of-use | 2013-12-27 | $8.00 | 8.4¢ (12am–12am) — summer weekdays |
| Residental Class II Controlled, All Electric Householdtime-of-use | 2013-12-27 | $10.00 | 8.4¢ (12am–12am) — summer weekdays |
| Residental Class I Controlled | 2013-12-27 | $8.00 | 8.39¢ |
| Residental Class I (Regular) | 2013-12-27 | $8.00 | 8.78¢ |
| Residental Class II Controlled | 2013-10-27 | $10.00 | 8.39¢ |
Source: OpenEI U.S. Utility Rate Database. Rates change. Check the linked tariff or your bill for current figures.
City of Big Stone City rate history
2015–2025: -38% change in the average residential rate (7.61¢ → 4.75¢). Annual EIA-861 data.
Outages & reliability
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Checking live outages…
Reliability history
City of Big Stone City 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 Big Stone City's counties, customers averaged 5 hr 12 min without power.
| County | Outage min/customer | Days with outages | Peak customers out | Worst day |
|---|---|---|---|---|
| Grant | 312 | 13 | 1,916 | 2025-04-07 |
City of Big Stone City service area
City of Big Stone City serves Grant County in South Dakota.
Grant
Programs, smart meters & solar
| Smart meters (AMI) for homes | — |
| Time-based rate programs | None reported |
| Net-metered solar homes | 0 reported |
City of Big Stone City at a glance
| Ownership | Municipal utility |
| Services | — |
| Retail revenue (2025) | $655,900 |
| Electricity sold (2025) | 13,820 MWh |
| Balancing authority | MISO |
| EIA utility ID | 1698 |
Other utilities in South Dakota
Frequently asked questions
What is City of Big Stone City's electricity rate?
City of Big Stone City residential customers pay an average of 5.03¢ 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 65% below the South Dakota average of 14.20¢ and 72% below the U.S. average.
What is the average City of Big Stone City electric bill?
About $145 a month. The average City of Big Stone City home uses 2,872 kWh a month. At 1,000 kWh the bill would be about $50.
How many customers does City of Big Stone City have?
City of Big Stone City serves 401 residential customers in South Dakota, across 1 county.
Does City of Big Stone City offer time-of-use rates?
Yes. The OpenEI rate database lists 2 time-of-use residential plans, including Residential Class I Controlled, All Electric Household. Running big appliances off-peak can cut their cost. Pick the plan in the calculator above to see by how much.
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 Big Stone City before making decisions.