SAIDI
14 min per year
Yearly outage minutes, on average (2023)
What This Utility Data Tells You
City of Garland - (TX) is a municipally-owned utility operating in Texas under EIA identifier 6958. It reports service to approximately 74,889 customer accounts and generated about $0.23 billion in annual electric revenue, with a service footprint spanning 21 ZIP codes. As a municipal utility, it is typically governed by a local board or city council and is exempt from federal income tax.
In 2023, the average City of Garland - (TX) customer experienced 13.5 minutes of power interruptions, the industry-standard SAIDI metric (System Average Interruption Duration Index). That is comfortably under the 120–180 minute national benchmark range, a sign of solid grid resilience and quick outage response. Over the same period, SAIFI (outage events per customer) was 0.26, putting the typical customer at roughly 0 distinct interruptions that year.
City of Garland - (TX) has 4 years of continuous EIA reporting on file (2020–2023), enough to read a real trend rather than a single-year snapshot. Over that span, SAIDI rose from 9.8 to 13.5 minutes, possibly reflecting tougher weather years or grid upgrades that have not caught up yet.
SAIFI
0.26 interruptions/yr
Average interruption count (2023)
Customers
74,889
Served in Texas
SAIDI vs. National Average (180 min) 3.4%
14 outage minutes per customer annually
Annual minutes without electric service (2023)
Reliability Trend (2020–2023)
| Year | SAIDI (min) | SAIDI nMED | SAIFI | Customers |
|---|---|---|---|---|
| 2020 | 9.8 | 9.8 | 0.210 | - |
| 2021 | 9.5 | 9.5 | 0.200 | - |
| 2022 | 16.5 | 16.5 | 0.210 | - |
| 2023 | 13.5 | - | 0.260 | - |
SAIDI nMED = SAIDI without major event days. Source: EIA Form 861.
Service Area
City of Garland - (TX) serves 21 ZIP codes in Texas.
750407504175042750437504475045750467504775048750497508175082750887508975098751507518275218752287523875243
Frequently Asked Questions
How reliable is City of Garland - (TX)?
City of Garland - (TX) had a SAIDI of 13.5 minutes in 2023. Excluding major weather events, this is below the national average, indicating above-average reliability.
What type of utility is City of Garland - (TX)?
City of Garland - (TX) is classified as a Municipal serving Texas.
How many customers does City of Garland - (TX) serve?
City of Garland - (TX) serves approximately 74,889 customers in Texas.
How has City of Garland - (TX)'s reliability changed over time?
City of Garland - (TX) has 4 years of reliability data (2020-2023). This utility's SAIDI has stayed fairly flat over the period. Review the trend table above for year-by-year detail.
Utility Profile
- Type
- Municipal
- State
- Texas
- Customers
- 74,889
- Annual Revenue
- $0.23B
- EIA ID
- 6958
Explore
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.