Joaquin, TXLocal --:--Sun now --Daylight today --
Sun on a roof in Joaquin.
The PVWatts model puts a generic roof array in Joaquin at 1,382 kWh a year for each kW of panels, using typical-year weather from a station 0.9 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 Joaquin climbs and falls, and the modeled output follows it.
kWh per kW DC, modeled by PVWatts. Best month 140, weakest 81: a ratio of 1.73.
How Joaquin comparesderived from the figures above
Where Joaquin sits.
Joaquin ranks 1182nd of 1220 Texas places modeled here, at the 3rd percentile. Its 1,382 kWh per kW is below the Texas median of 1,515. The strongest months are July, May, June and the weakest are December, February, November; output peaks in July and bottoms out in December. In all, 29.6% of the year arrives in June, July and August, more than the 29.3% of the median place.
Closest modeled neighbors
- Tenaha, 19 km west: 1,397 kWh per kW, 15 more than Joaquin.
- Center, 23 km southwest: 1,385 kWh per kW, 3 more than Joaquin.
- Gary City, 31 km west: 1,404 kWh per kW, 22 more than Joaquin.
- Huxley, 32 km southeast: 1,375 kWh per kW, 7 less than Joaquin.
- Timpson, 34 km west: 1,396 kWh per kW, 14 more than Joaquin.
- Carthage, 34 km northwest: 1,386 kWh per kW, 4 more than Joaquin.
- Garrison, 44 km west: 1,385 kWh per kW, 3 more than Joaquin.
- Beckville, 49 km northwest: 1,394 kWh per kW, 12 more than Joaquin.
- San Augustine, 49 km south: 1,360 kWh per kW, 22 less than Joaquin.
Against Dallas
The nearest of the six largest modeled places is Dallas, 271 km to the west, at 1,500 kWh per kW. Joaquin models 118 kWh per kW (7.9%) below it. Joaquin lies 0.82 degrees of latitude south of Dallas, which on sun angle alone would point the other way, so clouds, haze and the weather station's record carry the difference. The weather station for Joaquin is 0.9 km from the modeled point, against 2.4 km for Dallas, so part of the gap can come from which station's typical year was used.
The second-nearest large place is Houston, 274 km southwest, where the same model gives 1,422 kWh per kW, so Joaquin runs 40 below that figure. It runs at least 2% lower in January, February, March, April, May, June, July, August, September, October, November, December.
Electricity in Shelby CountyEIA-861
Electricity prices nearby
Providers listed in the county
- Southwestern Electric Power Co: 12.6¢ per kWh, a bundled average, 157,119 residential customers across 25 counties.
- Deep East Texas Elec Coop Inc: 14.05¢ per kWh, a bundled average, 40,593 residential customers across 8 counties.
- Rusk County Electric Coop, Inc: 13.3¢ per kWh, a bundled average, 18,253 residential customers across 5 counties.
They are the largest bundled providers 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. Priced at the first provider's average, the modeled 1,382 kWh would come to $174 per kW a year, plain multiplication and not a savings estimate.
Modeled estimateruns in your browser
Size the array, see the kWh.
Scale the Joaquin 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 $213 per kW a year as plain multiplication.
PVWatts v8station 761949
Month by month, per kW.
| Month | kWh per kW |
|---|---|
| January | 95.9 |
| February | 89.7 |
| March | 113.6 |
| April | 125.6 |
| May | 136.6 |
| June | 134.4 |
| July | 140.5 |
| August | 134.3 |
| September | 124.8 |
| October | 111.8 |
| November | 93.9 |
| December | 81.0 |
| Year | 1,382 |
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 31.97, -94.05 (Joaquin, population 729). Weather: typical-year data from station 761949, 0.9 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.