MySolarCheck

Solar Panel Cost & Installation Data in Delaware

Observed Records
7,866
Reported Capacity
84 MW
Observed Avg Cost
$4.97/W

Median: $4.56/W

Dataset Rank
#22

92% residential

16.57¢
Residential Rate (EIA 2024)
4h
Peak Sun Hours/Day
23.9 yrs
Est. Payback Period
$2,226
Est. Annual Savings

Environmental & Community Impact

CO₂ Offset/Year
94,355 tons
CO₂ Offset/System/Year
8.9 tons
Installations per 10K Residents
79.2
State Population
993,635
Est. Annual Production/System
13,435 kWh

Estimates use average system size, a 4h/day state solar-resource proxy and a 14% system-loss assumption. Payback excludes financing and incentives. Context sources: NREL, EIA and EPA eGRID (0.709 metric tons CO₂/MWh).

System Overview

Avg System Size
10.7 kW
Third-Party Owned
25.3%

Cost Trend ($/W)

Avg Cost per Watt

200220062010201420182023

Installation Growth (Last 5 Years)

Installer Names in the Source Records

InstallerObserved Records
-17,130
Sungevity Development126
Clean Energy Usa103
Liberty Services Company86
Tesla Energy67
Cmi Solar Electric57
Advanced Solar44
Flexera41
Kw Solar Solutions38
Cnc Solar30

Panel Brands in the Source Records

BrandObserved Records
Alps Technology7,866

County Records - Delaware

CountyObserved RecordsReported Capacity
New Castle4,54047.1 MW
Sussex2,57226.6 MW
Kent7138.7 MW

Primary dataset: LBNL Tracking the Sun 2024 release. Counts represent records in the source release, not a complete statewide census.