City of Spencer electricity rates
Municipal utility · Iowa
City of Spencer is a city-owned municipal utility, governed locally rather than by the state commission, serving 6,337 homes in Iowa. Its residential customers pay an average of 8.98¢/kWh including fixed and delivery charges, 50% 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 Spencer bill estimates
| Monthly use | At average all-in rate | Base tariff charges* |
|---|---|---|
| 500 kWh | $44.90 | $39.60 |
| 1,000 kWh | $89.80 | $65.61 |
| 1,500 kWh | $134.70 | $88.11 |
| 2,000 kWh | $179.60 | $110.61 |
*Residential (effective 2013-06-01, $11.25/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 Spencer residential rate plans
| Plan | Effective | Customer charge | Energy charges |
|---|---|---|---|
| Residential | 2013-06-01 | $11.25 | 5.67¢ first 800 kWh, 4.50¢ after |
Source: OpenEI U.S. Utility Rate Database. Rates change. Check the linked tariff or your bill for current figures.
City of Spencer rate history
2015–2025: +15% change in the average residential rate (7.58¢ → 8.72¢). Annual EIA-861 data.
Outages & reliability
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Reliability history
| 2019 | City of Spencer | Iowa avg | U.S. avg |
|---|---|---|---|
| Outage minutes per customer (SAIDI) | 50 | 149 | 266 |
| Outages per customer (SAIFI) | 0.53 | 1.03 | 1.34 |
| Average restoration time (CAIDI) | 94 min | — | — |
| Outage minutes excluding major storms | 50 | 78 | 121 |
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 Spencer's counties, customers averaged 30 min without power.
| County | Outage min/customer | Days with outages | Peak customers out | Worst day |
|---|---|---|---|---|
| Clay | 30 | 4 | 766 | 2025-07-29 |
City of Spencer service area
City of Spencer serves Clay County in Iowa.
Clay
Programs, smart meters & solar
| Smart meters (AMI) for homes | 100% |
| Time-based rate programs | None reported |
| Net-metered solar homes | 0 reported |
City of Spencer at a glance
| Ownership | Municipal utility |
| Services | — |
| Retail revenue (2025) | $14,226,000 |
| Electricity sold (2025) | 163,150 MWh |
| Balancing authority | MISO |
| EIA utility ID | 17783 |
Other utilities in Iowa
Frequently asked questions
What is City of Spencer's electricity rate?
City of Spencer residential customers pay an average of 8.98¢ 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 36% below the Iowa average of 14.13¢ and 50% below the U.S. average.
What is the average City of Spencer electric bill?
About $193 a month. The average City of Spencer home uses 2,145 kWh a month. At 1,000 kWh the bill would be about $90.
How many customers does City of Spencer have?
City of Spencer serves 6,337 residential customers in Iowa, across 1 county.
How reliable is City of Spencer?
In 2019, the average City of Spencer customer was without power for 50 min (SAIDI) over 0.53 interruptions (SAIFI), including major storms. Excluding major event days it was 50 min. The Iowa average was 2 hr 29 min and the U.S. average 4 hr 26 min.
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 Spencer before making decisions.