City of Plymouth electricity rates
Municipal utility · Wisconsin · MISO region · MISO
City of Plymouth is a city-owned municipal utility, governed locally rather than by the state commission, serving 7,331 homes in Wisconsin. Its residential customers pay an average of 12.55¢/kWh including fixed and delivery charges, 30% 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.
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City of Plymouth bill estimates
| Monthly use | At average all-in rate | Base tariff charges* |
|---|---|---|
| 500 kWh | $62.75 | $76.03 |
| 1,000 kWh | $125.50 | $129.06 |
| 1,500 kWh | $188.25 | $182.09 |
| 2,000 kWh | $251.00 | $235.12 |
*Rg-1 Residential Service Three Phase (effective 2015-05-26, $23.00/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 Plymouth residential rate plans
| Plan | Effective | Customer charge | Energy charges |
|---|---|---|---|
| Rg-1 Residential Service Three Phase | 2015-05-26 | $23.00 | 10.61¢ |
| Rg-2 Residential Service Optional Time-of-Day Single Phase 9am-9pmtime-of-use | 2015-05-26 | $14.50 | 17.5¢ (9am–9pm) · 6.1¢ (12am–9am, 9pm–12am) — summer weekdays |
| Rg-2 Residential Service Optional Time-of-Day Three Phase 9am-9pmtime-of-use | 2015-05-26 | $23.00 | 17.5¢ (9am–9pm) · 6.1¢ (12am–9am, 9pm–12am) — summer weekdays |
| Rg-2 Residential Service Optional Time-of-Day Three Phase 7am-7pmtime-of-use | 2015-05-26 | $23.00 | 17.5¢ (7am–7pm) · 6.1¢ (12am–7am, 7pm–12am) — summer weekdays |
| Rg-2 Residential Service Optional Time-of-Day Three Phase 8am-8pmtime-of-use | 2015-05-26 | $23.00 | 17.5¢ (8am–8pm) · 6.1¢ (12am–8am, 8pm–12am) — summer weekdays |
| Rg-2 Residential Service Optional Time-of-Day Single Phase 8am-8pmtime-of-use | 2015-05-26 | $14.50 | 17.5¢ (8am–8pm) · 6.1¢ (12am–8am, 8pm–12am) — summer weekdays |
| Rg-2 Residential Service Optional Time-of-Day Single Phase 7am-7pmtime-of-use | 2015-05-26 | $14.50 | 17.5¢ (7am–7pm) · 6.1¢ (12am–7am, 7pm–12am) — summer weekdays |
| Rg-1 Residential Service Single Phase | 2015-05-26 | $14.50 | 10.61¢ |
Source: OpenEI U.S. Utility Rate Database. Rates change. Check the linked tariff or your bill for current figures.
City of Plymouth rate history
2015–2025: +2% change in the average residential rate (11.95¢ → 12.16¢). Annual EIA-861 data.
Outages & reliability
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Reliability history
| 2025 | City of Plymouth | Wisconsin avg | U.S. avg |
|---|---|---|---|
| Outage minutes per customer (SAIDI) | 11 | 243 | 266 |
| Outages per customer (SAIFI) | 0.10 | 0.95 | 1.34 |
| Average restoration time (CAIDI) | 109 min | — | — |
| Outage minutes excluding major storms | 11 | 84 | 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 Plymouth's counties, customers averaged 95 min without power.
| County | Outage min/customer | Days with outages | Peak customers out | Worst day |
|---|---|---|---|---|
| Sheboygan | 218 | 53 | 3,998 | 2025-06-03 |
| Fond Du Lac | 61 | 23 | 3,863 | 2025-05-16 |
City of Plymouth service area
City of Plymouth serves 2 counties in Wisconsin and 1 ZIP codes.
Fond Du Lac, Sheboygan
Cities: Plymouth
Programs, smart meters & solar
| Smart meters (AMI) for homes | 100% |
| Customers with daily usage data online | 7,331 |
| Time-based rate programs | Time-of-use rates |
| Homes on time-based rates | 27 |
| Net-metered solar homes | 61 |
City of Plymouth at a glance
| Ownership | Municipal utility |
| Services | Distribution |
| Commercial rate | 10.38¢/kWh |
| Industrial rate | 8.50¢/kWh |
| Retail revenue (2025) | $25,508,800 |
| Electricity sold (2025) | 257,357 MWh |
| Peak demand | 53 MW summer · 38 MW winter |
| Line losses | 2.8% |
| Balancing authority | MISO |
| EIA utility ID | 15159 |
Other utilities in Wisconsin
Frequently asked questions
What is City of Plymouth's electricity rate?
City of Plymouth residential customers pay an average of 12.55¢ 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 33% below the Wisconsin average of 18.74¢ and 30% below the U.S. average.
What is the average City of Plymouth electric bill?
About $91 a month. The average City of Plymouth home uses 728 kWh a month. At 1,000 kWh the bill would be about $126.
How many customers does City of Plymouth have?
City of Plymouth serves 7,331 residential customers and 8,688 customers in total in Wisconsin, across 2 counties.
How reliable is City of Plymouth?
In 2025, the average City of Plymouth customer was without power for 11 min (SAIDI) over 0.10 interruptions (SAIFI), including major storms. Excluding major event days it was 11 min. The Wisconsin average was 4 hr 3 min and the U.S. average 4 hr 26 min.
Does City of Plymouth offer time-of-use rates?
Yes. The OpenEI rate database lists 6 time-of-use residential plans, including Rg-2 Residential Service Optional Time-of-Day Single Phase 9am-9pm. Running big appliances off-peak can cut their cost. Pick the plan in the calculator above to see by how much.
Does City of Plymouth offer net metering for solar?
City of Plymouth had 61 residential net-metered customers in 2025 with 0.6 MW of capacity. Estimate solar savings at this utility's rate.
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 Plymouth before making decisions.