Twain Harte, CA solar installation & market data
Updated April 7, 2026Provisional score · under 500 installs By The SolarDNA Data Team
Twain Harte has 241 solar installations across 1 zip code at a median installed cost of $4.15/W, recent growth not yet measurable, and an installs-weighted Market Score of 40.
Active installations
241
Zip markets
1
Median cost
$4.15/W
12-mo growth
—
Installers active
12
City Market Score
Good · installs-weighted across 1 zips
Best zip in Twain Harte scores higher than 35% of U.S. zip markets.
Versus California
How Twain Harte compares with the state
Installed cost
$0.11/W below
state median $4.26/W
Market score
40 vs 53
California scores 53
Share of state installs
0.01%
of 2.3M tracked statewide
Battery attach
16.6%
state 12.7%
Statewide momentum
▲ 1.1%
residential solar added in California, 12 months through Jul 2026
Statewide market
2.3M systems
30.9% of homes · utility-reported through Jul 2026
Growth & pricing
Twain Harte by year
28 installs in the trailing twelve months vs 26 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in Twain Harte
Summed across every zip in the city
| # | Installer | Installs | 12-mo | Zips | $/W |
|---|---|---|---|---|---|
| 1 | SOLARWORX | 28 | 0 | 1 | $3.68 |
| 2 | CLEAR SOLAR | 26 | 0 | 1 | $4.28 |
| 3 | SUNRUN | 18 | 3 | 1 | $3.93 |
| 4 | ALTERNATIVE POWER SOLUTIONS | 18 | 0 | 1 | $3.28 |
| 5 | TESLA | 17 | 3 | 1 | $5.12 |
| 6 | BRIGHT OPS | 9 | 6 | 1 | $3.87 |
| 7 | ROOFXPERTS | 9 | 4 | 1 | $6.81 |
| 8 | RADIUS ENERGY | 8 | 0 | 1 | $5.55 |
| 9 | FREEDOM FOREVER | 6 | 2 | 1 | $4.17 |
| 10 | INFINITY ENERGY | 6 | 0 | 1 | $5.12 |
| 11 | BENDIX ELECTRIC | 5 | 0 | 1 | $3.79 |
| 12 | SIG SOLAR S I G | 3 | 3 | 1 | $8.33 |
Zip markets
Zips in Twain Harte
Ranked by installations · click for the zip market
| Zip | Installs | $/W | Score |
|---|---|---|---|
| 95383 | 241 | $4.15 | 40 C |