Wilmington, DE solar installation & market data
Updated December 23, 2024Older data · growth withheld By The SolarDNA Data Team
Wilmington has 1,124 solar installations across 12 zip codes at a median installed cost of $4.68/W, recent growth not yet measurable, and an installs-weighted Market Score of 45.
Active installations
1,124
Zip markets
12
Median cost
$4.68/W
12-mo growth
—
Installers active
16
City Market Score
Good · installs-weighted across 12 zips
Best zip in Wilmington scores higher than 79% of U.S. zip markets.
Versus Delaware
How Wilmington compares with the state
Installed cost
$0.23/W above
state median $4.45/W
Market score
45 vs 31
Delaware scores 31
Share of state installs
13.36%
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
Wilmington by year
126 installs in the trailing twelve months vs 209 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in Wilmington
Summed across every zip in the city
| # | Installer | Installs | 12-mo | Zips | $/W |
|---|---|---|---|---|---|
| 1 | LIBERTY SERVICES | 26 | 0 | 5 | $3.62 |
| 2 | SUNGEVITY | 14 | 0 | 7 | $4.83 |
| 3 | TESLA | 9 | 0 | 5 | $5.08 |
| 4 | ADVANCED SOLAR | 7 | 0 | 4 | $3.59 |
| 5 | FLEXERA | 5 | 0 | 3 | $4.93 |
| 6 | SUNTRICITY | 4 | 0 | 3 | $4.27 |
| 7 | CMI SOLAR ELECTRIC | 4 | 0 | 3 | $5.48 |
| 8 | KW SOLAR SOLUTIONS | 3 | 0 | 3 | $3.03 |
| 9 | LIBERTY ELECTRIC | 2 | 0 | 2 | $3.21 |
| 10 | DALE W DAVISCMI | 1 | 0 | 1 | $4.06 |
| 11 | CANCELLED CHGD CONTRACTOR R1670 | 1 | 0 | 1 | $4.06 |
| 12 | ALUTECH UNITED | 1 | 0 | 1 | $3.00 |
| 13 | CLEAN ENERGY USA | 1 | 0 | 1 | $12.00 |
| 14 | CNC SOLAR | 1 | 0 | 1 | $2.88 |
| 15 | SUNNYMAC | 1 | 0 | 1 | $1.98 |
| 16 | TERRASOL ENERGIES | 1 | 0 | 1 | $4.05 |