Tranquillity, CA solar installation & market data
Updated March 25, 2026Provisional score · under 500 installs By The SolarDNA Data Team
Tranquillity has 54 solar installations across 1 zip code at a median installed cost of $4.42/W, recent growth not yet measurable, and an installs-weighted Market Score of 38.
Active installations
54
Zip markets
1
Median cost
$4.42/W
12-mo growth
—
Installers active
12
City Market Score
Fair · installs-weighted across 1 zips
Best zip in Tranquillity scores higher than 20% of U.S. zip markets.
Versus California
How Tranquillity compares with the state
Installed cost
$0.15/W above
state median $4.26/W
Market score
38 vs 53
California scores 53
Share of state installs
0.00%
of 2.3M tracked statewide
Battery attach
9.3%
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
Tranquillity by year
9 installs in the trailing twelve months vs 2 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in Tranquillity
Summed across every zip in the city
| # | Installer | Installs | 12-mo | Zips | $/W |
|---|---|---|---|---|---|
| 1 | SUNRUN | 15 | 2 | 1 | $4.34 |
| 2 | SOLAR NEGOTIATORS | 4 | 0 | 1 | $3.66 |
| 3 | TESLA | 4 | 0 | 1 | $5.12 |
| 4 | EMPOWER ELECTRIC | 3 | 0 | 1 | $5.42 |
| 5 | NOVA WEST SOLAR | 3 | 0 | 1 | $6.25 |
| 6 | ENCHARGE ENERGY | 2 | 2 | 1 | $4.39 |
| 7 | PICKETT SOLAR CONSTRUCTION | 2 | 2 | 1 | $2.51 |
| 8 | NEXUS ENERGY SYSTEMS | 2 | 0 | 1 | $3.23 |
| 9 | BETTER EARTH ELECTRIC | 1 | 1 | 1 | — |
| 10 | NEXT PHASE ELECTRIC | 1 | 1 | 1 | — |
| 11 | AZTECH SOLAR | 1 | 0 | 1 | $5.18 |
| 12 | BRIGHTHOUSE | 1 | 0 | 1 | $4.07 |
Zip markets
Zips in Tranquillity
Ranked by installations · click for the zip market
| Zip | Installs | $/W | Score |
|---|---|---|---|
| 93668 | 54 | $4.42 | 38 D |