Ajo Improvement Co. electricity rates
Investor-owned utility · Arizona · WECC region
Ajo Improvement Co. is a for-profit, investor-owned utility regulated by the state utility commission, serving 808 homes in Arizona. Its residential customers pay an average of 14.22¢/kWh including fixed and delivery charges, 21% less than the U.S. average.
Rate basis: EIA-861M monthly utility data, 12 months ending 2026-07.
What things cost on Ajo Improvement Co.'s rate
Popular — tap to add, then add more to compare:
Add as many devices as you like to compare them side by side. Search again to add another, or use Duplicate to compare two settings.
Ajo Improvement Co. bill estimates
| Monthly use | At average all-in rate | Base tariff charges* |
|---|---|---|
| 500 kWh | $71.10 | $39.03 |
| 1,000 kWh | $142.20 | $72.85 |
| 1,500 kWh | $213.30 | $106.67 |
| 2,000 kWh | $284.40 | $140.50 |
*ELECTRIC RATE SCHEDULE GS-1 (effective 2000-09-01, $5.20/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.
Ajo Improvement Co. residential rate plans
| Plan | Effective | Customer charge | Energy charges |
|---|---|---|---|
| ELECTRIC RATE SCHEDULE GS-1 | 2000-09-01 | $5.20 | 6.77¢ |
Source: OpenEI U.S. Utility Rate Database. Rates change. Check the linked tariff or your bill for current figures.
Ajo Improvement Co. rate history
2015–2025: +33% change in the average residential rate (10.16¢ → 13.53¢). Annual EIA-861 data.
Outages & reliability
Right now
Checking live outages…
Reliability history
Ajo Improvement 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 Ajo Improvement Co.'s counties, customers averaged 57 min without power.
| County | Outage min/customer | Days with outages | Peak customers out | Worst day |
|---|---|---|---|---|
| Pima | 57 | 34 | 18,508 | 2025-11-12 |
Ajo Improvement Co. service area
Ajo Improvement Co. serves Pima County in Arizona and 3 ZIP codes.
Pima
Programs, smart meters & solar
| Smart meters (AMI) for homes | 0% |
| Time-based rate programs | None reported |
| Net-metered solar homes | 18 |
Ajo Improvement Co. at a glance
| Ownership | Investor-owned utility |
| Services | Bundled |
| Commercial rate | 12.42¢/kWh |
| Retail revenue (2025) | $1,058,300 |
| Electricity sold (2025) | 8,096 MWh |
| Peak demand | 3 MW summer · 2 MW winter |
| Balancing authority | AZPS |
| EIA utility ID | 176 |
Other utilities in Arizona
Frequently asked questions
What is Ajo Improvement Co.'s electricity rate?
Ajo Improvement Co. residential customers pay an average of 14.22¢ per kWh, all charges included (EIA-861M monthly utility data, 12 months ending 2026-07). That's 8% below the Arizona average of 15.40¢ and 21% below the U.S. average.
What is the average Ajo Improvement Co. electric bill?
About $73 a month. The average Ajo Improvement Co. home uses 512 kWh a month. At 1,000 kWh the bill would be about $142.
How many customers does Ajo Improvement Co. have?
Ajo Improvement Co. serves 808 residential customers and 1,005 customers in total in Arizona, across 1 county.
Does Ajo Improvement Co. offer net metering for solar?
Ajo Improvement Co. had 18 residential net-metered customers in 2025 with 0.1 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 Ajo Improvement Co. before making decisions.