New Castle, DE 19720 solar market data
Updated December 2, 2024Older data · growth withheld By The SolarDNA Data Team
New Castle 19720 has 556 solar installations at a median installed cost of $4.90/W, recent growth not yet measurable, and a Market Score of 46 — higher than 72% of U.S. zip markets.
Versus Delaware
How 19720 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
19720 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 19720
Ranked by systems recorded in this zip
| # | Installer | Installs | 12-mo | Avg kW | $/W |
|---|---|---|---|---|---|
| 1 | SUNGEVITY | 7 | 0 | 7.4 | $4.18 |
| 2 | LIBERTY SERVICES | 4 | 0 | 4.04 | $3.89 |
| 3 | TESLA | 4 | 0 | 6.27 | $4.90 |
| 4 | ADVANCED SOLAR | 2 | 0 | 5.17 | $3.99 |
| 5 | CLEAR HORZON | 1 | 0 | 3 | $3.46 |
| 6 | FLEXERA | 1 | 0 | 8 | $3.78 |
| 7 | LIBERTY ELECTRIC | 1 | 0 | 4.8 | $3.67 |
| 8 | PSC SOLAR SOLUTIONS | 1 | 0 | 5.64 | $7.03 |
Frequently asked
Quick answers about 19720
How many solar installations are there in 19720?
SolarDNA counts 556 active solar installations in New Castle 19720, 539 of them residential, with data through December 2, 2024.
How much does solar cost in 19720?
The median residential system in 19720 cost $4.90 per watt over the trailing twelve months, $0.45/W above the Delaware median.
Is solar growing in 19720?
Recent growth cannot be measured yet for 19720: insufficient recent data (data runs through December 2, 2024).
Who installs solar in 19720?
SUNGEVITY, LIBERTY SERVICES, TESLA lead the 8 installers with systems in 19720. The full comp set is above.
Is 19720 a good market for solar sales?
19720 scores 46 out of 100 (Great, higher than 72% of U.S. zip markets).