New Castle, DE solar installation & market data
Updated December 2, 2024Older data · growth withheld By The SolarDNA Data Team
New Castle has 556 solar installations across 1 zip code at a median installed cost of $4.90/W, recent growth not yet measurable, and an installs-weighted Market Score of 46.
Active installations
556
Zip markets
1
Median cost
$4.90/W
12-mo growth
—
Installers active
8
City Market Score
Great · installs-weighted across 1 zips
Best zip in New Castle scores higher than 72% of U.S. zip markets.
Versus Delaware
How New Castle compares with the state
Installed cost
$0.45/W above
state median $4.45/W
Market score
46 vs 31
Delaware scores 31
Share of state installs
6.61%
of 8.4K tracked statewide
Battery attach
0.0%
state 0.0%
Statewide momentum
▼ 77.1%
residential solar added in Delaware, 12 months through Jul 2026
Statewide market
15.4K systems
5.1% of homes · utility-reported through Jul 2026
Growth & pricing
New Castle by year
56 installs in the trailing twelve months vs 111 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in New Castle
Summed across every zip in the city
| # | Installer | Installs | 12-mo | Zips | $/W |
|---|---|---|---|---|---|
| 1 | SUNGEVITY | 7 | 0 | 1 | $4.18 |
| 2 | LIBERTY SERVICES | 4 | 0 | 1 | $3.89 |
| 3 | TESLA | 4 | 0 | 1 | $4.90 |
| 4 | ADVANCED SOLAR | 2 | 0 | 1 | $3.99 |
| 5 | CLEAR HORZON | 1 | 0 | 1 | $3.46 |
| 6 | FLEXERA | 1 | 0 | 1 | $3.78 |
| 7 | LIBERTY ELECTRIC | 1 | 0 | 1 | $3.67 |
| 8 | PSC SOLAR SOLUTIONS | 1 | 0 | 1 | $7.03 |
Zip markets
Zips in New Castle
Ranked by installations · click for the zip market
| Zip | Installs | $/W | Score |
|---|---|---|---|
| 19720 | 556 | $4.90 | 46 B |