County annual report · FIPS 39041
2019 Delaware County, OH Power Outage Report
In 2019, customers in Delaware County, OH went without power for an average of 8.9 hours, a total of 573K customer-hours (Ohio average 5.2 hours). That ranks 18th worst of 88 Ohio counties and 621st of 2,945 nationally.
Compared with OH, the US and 2018
Coverage line is EAGLE-I's share of Ohio customers tracked each year.
Biggest outages in Delaware County, 2019
The 10 outage episodes with the most customers out at once. Times are UTC.
| # | Started (UTC) | Ended (UTC) | Duration | Peak out | Customer-hours |
|---|---|---|---|---|---|
| 1 | December 30, 2019 09:45 | December 31, 2019 00:15 | 14h 30m | 8,838 | 25K |
| 2 | November 27, 2019 13:45 | November 28, 2019 18:30 | 1d 4h | 4,652 | 49K |
| 3 | October 3, 2019 12:30 | October 4, 2019 04:45 | 16h 15m | 4,080 | 4,857 |
| 4 | December 15, 2019 12:00 | December 16, 2019 04:30 | 16h 30m | 3,939 | 49K |
| 5 | October 21, 2019 14:00 | October 22, 2019 22:15 | 1d 8h | 3,603 | 6,039 |
| 6 | May 23, 2019 10:15 | May 24, 2019 02:00 | 15h 45m | 3,540 | 11K |
| 7 | June 2, 2019 05:45 | June 2, 2019 21:00 | 15h 15m | 3,515 | 6,305 |
| 8 | September 1, 2019 18:30 | September 2, 2019 15:15 | 20h 45m | 3,502 | 1,019 |
| 9 | December 29, 2019 22:45 | December 30, 2019 00:45 | 2h | 3,384 | 6,765 |
| 10 | October 1, 2019 11:15 | October 2, 2019 03:30 | 16h 15m | 3,278 | 11K |
Outage episodes by size in 2019: 132 reached 100+ customers, 56 reached 1,000+ customers, 0 reached 10,000+ customers.
Utility reliability filed with the EIA
SAIDI (average outage time per customer) and SAIFI (average interruptions per customer) that utilities serving Delaware County reported on EIA Form 861 for 2019, or their most recent earlier filing. Utility-wide figures, not county-specific.
| Utility | EIA year | SAIDI | SAIFI | SAIDI excl. major events | SAIFI excl. major events |
|---|---|---|---|---|---|
| Ohio Power Co | 2018 | 4.3 hrs | 1.57 | 3.6 hrs | 1.46 |
| Ohio Edison Co | 2018 | 3.2 hrs | 1.33 | 1.8 hrs | 1.06 |
| Dayton Power & Light Co | 2018 | 3.2 hrs | 1.14 | 1.7 hrs | 0.91 |
| Duke Energy Ohio Inc | 2018 | 5.3 hrs | 1.54 | 2.4 hrs | 1.15 |
| Licking Rural Electric Inc | 2018 | 5.8 hrs | 2.11 | 2.6 hrs | 1.40 |
| Consolidated Cooperative | 2018 | 2.2 hrs | 1.39 | 82 min | 1.02 |
| Union Rural Electric Coop, Inc | 2018 | 4.9 hrs | 2.61 | 1.9 hrs | 1.64 |
| City of Westerville - (OH) | 2018 | 57 min | 1.02 | 25 min | 0.58 |
| Prospect Corporation | - | - | - | - | - |
About this data
- Outage figures come from DOE/ORNL EAGLE-I, which records customers out by county every 15 minutes. EAGLE-I tracked about 93% of Ohio's customers in 2019; utilities it does not see are not counted.
- Hours per customer = outage customer-minutes ÷ 64,488 customers (ORNL modeled county customer count), including major storm days. It is comparable across counties but is not the SAIDI a utility files.
- An outage event is a continuous stretch with customers out; counts at 100, 1,000 and 10,000+ use its peak.
- Years loaded: 2015–2025. Delaware County has data for 2015–2025.
Cite this report
MassOutage (massoutage.com), Delaware County, OH annual power outage report, 2019, data as of Oct 3, 2026 02:41 UTC, sources: DOE EAGLE-I (https://eagle-i.doe.gov/); EAGLE-I modeled customer counts (MCC) (https://figshare.com/); EIA Form 861 (utility reliability) (https://www.eia.gov/electricity/data/eia861/). https://massoutage.com/reports/2019/ohio/delaware-county