Elmhurst Mutual Power & Light Co. electricity rates
Electric cooperative · Washington · WECC region
Elmhurst Mutual Power & Light Co. is a member-owned electric cooperative, so its customers own it and elect its board, serving 15,538 homes in Washington. Its residential customers pay an average of 9.35¢/kWh including fixed and delivery charges, 48% 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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Elmhurst Mutual Power & Light Co. bill estimates
| Monthly use | At average all-in rate | Base tariff charges* |
|---|---|---|
| 500 kWh | $46.75 | $40.65 |
| 1,000 kWh | $93.50 | $65.80 |
| 1,500 kWh | $140.25 | $90.95 |
| 2,000 kWh | $187.00 | $116.10 |
*Class 1 -Residential Service Three Phase (effective 2014-06-09, $15.50/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.
Elmhurst Mutual Power & Light Co. residential rate plans
| Plan | Effective | Customer charge | Energy charges |
|---|---|---|---|
| Class 1 -Residential Service Three Phase | 2014-06-09 | $15.50 | 5.03¢ |
| Class 1 -Residential Service Single Phase | 2014-06-09 | $14.00 | 50.30¢ |
Source: OpenEI U.S. Utility Rate Database. Rates change. Check the linked tariff or your bill for current figures.
Elmhurst Mutual Power & Light Co. rate history
2015–2025: +31% change in the average residential rate (6.61¢ → 8.68¢). Annual EIA-861 data.
Outages & reliability
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Reliability history
Elmhurst Mutual Power & Light Co. 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 Elmhurst Mutual Power & Light Co.'s counties, customers averaged 19 hr 21 min without power.
| County | Outage min/customer | Days with outages | Peak customers out | Worst day |
|---|---|---|---|---|
| Pierce | 1,161 | 100 | 86,311 | 2025-10-26 |
Elmhurst Mutual Power & Light Co. service area
Elmhurst Mutual Power & Light Co. serves Pierce County in Washington and 20 ZIP codes.
Pierce
Cities: Tacoma, South Hill, Puyallup, Parkland, Spanaway, Frederickson, Elk Plain, Midland, Summit, Summit View, McChord Air Force Base
Programs, smart meters & solar
| Smart meters (AMI) for homes | 28% |
| Time-based rate programs | None reported |
| Net-metered solar homes | 94 |
| Residential efficiency incentives paid (2025) | $148,000 |
| Residential energy saved by programs | 189 MWh |
Elmhurst Mutual Power & Light Co. at a glance
| Ownership | Electric cooperative |
| Services | Distribution |
| Commercial rate | 9.35¢/kWh |
| Retail revenue (2025) | $24,542,000 |
| Electricity sold (2025) | 282,748 MWh |
| Peak demand | 46 MW summer · 76 MW winter |
| Line losses | 2.3% |
| Balancing authority | BPAT |
| EIA utility ID | 5832 |
Other utilities in Washington
Frequently asked questions
What is Elmhurst Mutual Power & Light Co.'s electricity rate?
Elmhurst Mutual Power & Light Co. residential customers pay an average of 9.35¢ 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 34% below the Washington average of 14.12¢ and 48% below the U.S. average.
What is the average Elmhurst Mutual Power & Light Co. electric bill?
About $117 a month. The average Elmhurst Mutual Power & Light Co. home uses 1,256 kWh a month. At 1,000 kWh the bill would be about $94.
How many customers does Elmhurst Mutual Power & Light Co. have?
Elmhurst Mutual Power & Light Co. serves 15,538 residential customers and 16,331 customers in total in Washington, across 1 county.
Does Elmhurst Mutual Power & Light Co. offer net metering for solar?
Elmhurst Mutual Power & Light Co. had 94 residential net-metered customers in 2025 with 0.8 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 Elmhurst Mutual Power & Light Co. before making decisions.