Castine, ME 04421 solar market data
Updated July 3, 2024Older data · growth withheldProvisional score · under 500 installs By The SolarDNA Data Team
Castine 04421 has 19 solar installations at a median installed cost of $5.08/W, recent growth not yet measurable, and a Market Score of 34 — higher than 12% of U.S. zip markets.
Versus Maine
How 04421 compares with the state
Installed cost
$1.37/W above
state median $3.71/W
Market score
34 vs 36
Maine scores 36
Share of state installs
0.11%
of 16.9K tracked statewide
Battery attach
0.0%
state 0.6%
Statewide momentum
▼ 3.9%
residential solar added in Maine, 12 months through Jul 2026
Statewide market
22.5K systems
4.8% of homes · utility-reported through Jul 2026
Growth & pricing
04421 by year
5 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 04421
Ranked by systems recorded in this zip
| # | Installer | Installs | 12-mo | Avg kW | $/W |
|---|---|---|---|---|---|
| No installer has recorded systems here yet. | |||||
Equipment
What gets installed in 04421
Share of systems with a recorded brand
Modules
CANADIAN SOLAR50.0%
REC GROUP50.0%
Inverters
Frequently asked
Quick answers about 04421
How many solar installations are there in 04421?
SolarDNA counts 19 active solar installations in Castine 04421, 19 of them residential, with data through July 3, 2024.
How much does solar cost in 04421?
The median residential system in 04421 cost $5.08 per watt over the trailing twelve months, $1.37/W above the Maine median.
Is solar growing in 04421?
Recent growth cannot be measured yet for 04421: insufficient recent data (data runs through July 3, 2024).
Who installs solar in 04421?
No installer has enough recorded systems in 04421 to rank yet.
Is 04421 a good market for solar sales?
04421 scores 34 out of 100 (Fair, higher than 12% of U.S. zip markets). With under 500 installations the score is provisional.