Elmendorf, TXLocal --:--Sun now --Daylight today --
Sun on a roof in Elmendorf.
The PVWatts model puts a generic roof array in Elmendorf at 1,518 kWh a year for each kW of panels, using typical-year weather from a station 1.9 km away. A modeled estimate for a standard setup, not a measurement of any roof.
A year on one roof.
Scroll from January to December: the noon sun over Elmendorf climbs and falls, and the modeled output follows it.
kWh per kW DC, modeled by PVWatts. Best month 151, weakest 96: a ratio of 1.57.
How Elmendorf comparesderived from the figures above
Where Elmendorf sits.
Elmendorf ranks 572nd of 1220 Texas places modeled here, at the 53rd percentile. Its 1,518 kWh per kW is above the Texas median of 1,515. The strongest months are July, August, June and the weakest are February, December, January; output peaks in July and bottoms out in February. In all, 29.2% of the year arrives in June, July and August, less than the 29.3% of the median place.
Closest modeled neighbors
- Sandy Oaks, 12 km southwest: 1,493 kWh per kW, 25 less than Elmendorf.
- China Grove, 16 km north: 1,526 kWh per kW, 8 more than Elmendorf.
- Floresville, 18 km southeast: 1,492 kWh per kW, 26 less than Elmendorf.
- La Vernia, 22 km northeast: 1,517 kWh per kW, 1 less than Elmendorf.
- St. Hedwig, 22 km northeast: 1,488 kWh per kW, 30 less than Elmendorf.
- Kirby, 24 km north: 1,495 kWh per kW, 23 less than Elmendorf.
- Terrell Hills, 29 km northwest: 1,509 kWh per kW, 9 less than Elmendorf.
- Converse, 29 km north: 1,511 kWh per kW, 7 less than Elmendorf.
- Alamo Heights, 29 km northwest: 1,509 kWh per kW, 9 less than Elmendorf.
Against San Antonio
The nearest of the six largest modeled places is San Antonio, 30 km to the northwest, at 1,505 kWh per kW. Elmendorf models 13 kWh per kW (0.9%) above it. The two figures are within 1 percent, which is about the size of the difference you get from two neighboring weather stations alone, so this page's result is effectively the same as San Antonio's.
The second-nearest large place is Austin, 129 km northeast, where the same model gives 1,483 kWh per kW, so Elmendorf runs 35 above that figure. Against the Texas median place month by month, Elmendorf runs at least 2% higher in March, October, November. It runs at least 2% lower in February, April.
Electricity in Bexar County, Wilson CountyEIA-861
Electricity prices nearby
EIA lists AEP Texas Central in this county. Where Elmendorf is on AEP Texas Central's lines, homes buy energy from a retail electricity provider and the price depends on the plan. Parts of Elmendorf may instead be served by a co-op or utility listed below, which sets its own rates; check your bill. For scale only, the median 2025 average price across the 60 Texas retail providers on this site is 15.32¢ per kWh, which would put the modeled 1,518 kWh at $233 per kW a year, plain multiplication and not a savings estimate or an offer.
Also listed in the county
- City of San Antonio: 12.4¢ per kWh, a bundled average, 888,946 residential customers across 8 counties.
- Pedernales Electric Coop, Inc: 12.75¢ per kWh, a bundled average, 420,753 residential customers across 24 counties.
- Guadalupe Valley Elec Coop Inc: 11.83¢ per kWh, a bundled average, 95,358 residential customers across 13 counties.
- AEP Texas Central Company: 5.91¢ per kWh, delivery charges only, before the retail energy price, 793,896 residential customers across 44 counties.
These utilities serve other parts of the county, which can include parts of Elmendorf. They are the largest bundled providers, and the largest delivery-only one, whose EIA service territory lists the county. A county can list several, and which one serves a street depends on the address, so check your bill.
Modeled estimateruns in your browser
Size the array, see the kWh.
Scale the Elmendorf model to another array size, take off extra losses for shade or dirt, and price the energy at any rate. It is arithmetic on the PVWatts output above, nothing more: not a quote, not a savings estimate and not advice.
Starting rate: the Texas residential average of 15.4¢ per kWh. At that rate the modeled output is worth $234 per kW a year as plain multiplication.
PVWatts v8station 662210
Month by month, per kW.
| Month | kWh per kW |
|---|---|
| January | 103.7 |
| February | 96.5 |
| March | 133.8 |
| April | 128.0 |
| May | 140.1 |
| June | 144.4 |
| July | 151.4 |
| August | 148.1 |
| September | 133.6 |
| October | 130.2 |
| November | 109.8 |
| December | 98.4 |
| Year | 1,518 |
Model assumptions
- System size
- 1 kWDC, results scale per kW
- Mount
- fixed roof mount
- Tilt
- 20°
- Azimuth
- 180°due south
- Modules
- standard
- System losses
- 14%
Location 29.25, -98.32 (Elmendorf, population 2,683). Weather: typical-year data from station 662210, 1.9 km from that point.
Getting a measured number
A model cannot see your roof. Installers measure pitch, shade and the electrical panel on site. Quote marketplaces such as EnergySage, SolarReviews and WattBuy collect bids from local installers. Rate & Roof does not rank installers.
Next step
Payback, buyback.
The sliders above price the energy at one rate. The payback calculator adds the system cost and your buyback plan type, and shows every assumption. It is an estimate, not advice.
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Rates change. Get told.
One list, for Texas solar buyback plans. We write when a tracked rate changes and when new city data is published. Nothing else, and nothing until you confirm.