SAIDI
83 min per year
Yearly outage minutes, on average (2023)
Tampa Electric Co is an investor-owned utility operating in Florida under EIA identifier 18454. It reports service to approximately 834,144 customer accounts and generated about $2.96 billion in annual electric revenue, with a service footprint spanning 136 ZIP codes. Because it is investor-owned, the state public utility commission oversees its rate cases and reliability performance rather than a local board.
In 2023, the average Tampa Electric Co customer experienced 82.6 minutes of power interruptions, a metric called SAIDI (System Average Interruption Duration Index). That keeps this utility below the typical 120–180 minute national benchmark, consistent with a well-hardened distribution system and fast restoration crews. Over the same period, SAIFI (outage events per customer) was 1.42, putting the typical customer at roughly 1 distinct interruption that year. Excluding major event days (hurricanes, ice storms), SAIDI drops to 60.7 minutes, the gap between that figure and the headline 82.6 reveals how much weather, not day-to-day infrastructure, drove outages.
Tampa Electric Co has 4 years of continuous EIA reporting on file (2020–2023), enough to read a real trend rather than a single-year snapshot. SAIDI climbed from 79.5 to 82.6 minutes over that window, a shift that can point to worsening weather exposure or delayed grid modernization.
SAIDI
83 min per year
Yearly outage minutes, on average (2023)
SAIFI
1.42 interruptions/yr
Events per customer (2023)
Customers
834,144
Served in Florida
83 minutes per customer per year
Minutes without power per year (2023)
| Year | SAIDI (min) | SAIDI nMED | SAIFI | Customers |
|---|---|---|---|---|
| 2020 | 79.5 | 75.0 | 1.230 | 809,268 |
| 2021 | 100.6 | 65.6 | 1.380 | 824,322 |
| 2022 | 1026.0 | 66.8 | 2.250 | 840,315 |
| 2023 | 82.6 | 60.7 | 1.420 | 853,333 |
SAIDI nMED = SAIDI without major event days. Source: EIA Form 861.
Tampa Electric Co serves 136 ZIP codes in Florida.
Tampa Electric Co had a SAIDI of 82.6 minutes in 2023. Excluding major storm impacts, this beats the national average, a sign of above-average reliability.
Tampa Electric Co is classified as a IOU serving Florida.
Tampa Electric Co serves approximately 834,144 customers in Florida.
Tampa Electric Co has 4 years of reliability data (2020-2023). SAIDI has remained relatively stable over this period. Review the trend table above for year-by-year detail.
Source: U.S. Energy Information Administration Form 861 annual electric power industry survey · ZIP service territory: OpenEI. Disclaimer: informational only, not professional advice. See full disclaimer.
Every figure on PlainUtility is rendered directly from the U.S. Energy Information Administration's Form 861 reliability data, no number is typed in by an editor. This utility's SAIDI/SAIFI figures are rendered directly from EIA Form 861 reliability files. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of 2020-2023.