Columbus Electric Co-op electricity rates
Electric cooperative · Arizona
Columbus Electric Co-op is a member-owned electric cooperative, so its customers own it and elect its board, serving 523 homes in Arizona. Its residential customers pay an average of 16.21¢/kWh including fixed and delivery charges, 10% 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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Columbus Electric Co-op bill estimates
| Monthly use | At average all-in rate | Base tariff charges* |
|---|---|---|
| 500 kWh | $81.05 | $77.53 |
| 1,000 kWh | $162.10 | $135.07 |
| 1,500 kWh | $243.15 | $192.61 |
| 2,000 kWh | $324.20 | $250.14 |
*Residential Service- Standard Monthly Rate (effective 2014-04-01, $20.00/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.
Columbus Electric Co-op residential rate plans
| Plan | Effective | Customer charge | Energy charges |
|---|---|---|---|
| Residential Service- Standard Monthly Rate | 2014-04-01 | $20.00 | 11.51¢ |
| Residential Service- Monthly Time-of-Use Ratetime-of-use | 2014-04-01 | $23.50 | 13.5¢ (6am–8pm) · 8.5¢ (12am–6am, 8pm–12am) — summer weekdays |
| Residential Service-TOUtime-of-use | 2013-07-31 | $23.50 | 8.5¢ (12am–6am, 9pm–12am) · 13.5¢ (6am–9pm) — summer weekdays |
| Residential Service | 2013-07-31 | $20.00 | 11.51¢ |
Source: OpenEI U.S. Utility Rate Database. Rates change. Check the linked tariff or your bill for current figures.
Columbus Electric Co-op rate history
2015–2025: -4% change in the average residential rate (16.80¢ → 16.13¢). Annual EIA-861 data.
Outages & reliability
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Checking live outages…
Reliability history
Columbus Electric Co-op 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 Columbus Electric Co-op's counties, customers averaged 36 min without power.
| County | Outage min/customer | Days with outages | Peak customers out | Worst day |
|---|---|---|---|---|
| Cochise | 36 | 28 | 8,138 | 2025-07-23 |
Columbus Electric Co-op service area
Columbus Electric Co-op serves Cochise County in Arizona.
Cochise
Programs, smart meters & solar
| Smart meters (AMI) for homes | 100% |
| Time-based rate programs | None reported |
| Net-metered solar homes | 0 reported |
Columbus Electric Co-op at a glance
| Ownership | Electric cooperative |
| Services | — |
| Retail revenue (2025) | $838,300 |
| Electricity sold (2025) | 5,198 MWh |
| Balancing authority | PNM |
| EIA utility ID | 4071 |
Other utilities in Arizona
Frequently asked questions
What is Columbus Electric Co-op's electricity rate?
Columbus Electric Co-op residential customers pay an average of 16.21¢ 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 5% above the Arizona average of 15.40¢ and 10% below the U.S. average.
What is the average Columbus Electric Co-op electric bill?
About $134 a month. The average Columbus Electric Co-op home uses 828 kWh a month. At 1,000 kWh the bill would be about $162.
How many customers does Columbus Electric Co-op have?
Columbus Electric Co-op serves 523 residential customers in Arizona, across 1 county.
Does Columbus Electric Co-op offer time-of-use rates?
Yes. The OpenEI rate database lists 2 time-of-use residential plans, including Residential Service- Monthly Time-of-Use Rate. 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 Columbus Electric Co-op before making decisions.