Solar Energy in Maryland - Installation Data & Costs
Total Installations
27,227
Total Capacity
293 MW
Average Cost
$3.91/W
Median: $3.68/W
National Rank
#13
98% residential
15.14¢
Electricity Rate (kWh)
4.1h
Peak Sun Hours/Day
15.1 yrs
Est. Payback Period
$1,958
Est. Annual Savings
Environmental & Community Impact
- CO₂ Offset/Year
- 328,007 tons
- CO₂ Offset/System/Year
- 9.2 tons
- Installations per 10K Residents
- 44.2
- State Population
- 6,161,707
- Est. Annual Production/System
- 12,930 kWh
Estimates based on average system size, 4.1h peak sun hours/day, 80% derating factor, and 30% federal ITC. Sources: NREL, EIA, EPA eGRID (0.709 metric tons CO₂/MWh).
System Overview
- Avg System Size
- 10.8 kW
- Third-Party Owned
- 1.5%
Cost Trend ($/W)
Avg Cost per Watt
Installation Growth (Last 5 Years)
2,1252019
2,4702020
3,3132021
4,7922022
5,6372023
Top Solar Installers in Maryland
| Installer | Installations |
|---|---|
| redacted | 27,227 |
Most Popular Panel Brands in Maryland
| Brand | Installations |
|---|---|
| Alps Technology | 27,227 |
Solar by County - Maryland
| County | Installations | Capacity |
|---|---|---|
| Prince Georges | 1,807 | 18.9 MW |
| Montgomery | 1,600 | 17.2 MW |
| Anne Arundel | 887 | 8.7 MW |
| Baltimore | 809 | 7.6 MW |
| Howard | 592 | 6.8 MW |
| Frederick | 442 | 5.2 MW |
| Harford | 416 | 4.6 MW |
| Carroll | 208 | 2.4 MW |
| Charles | 207 | 2.2 MW |
| Baltimore city | 204 | 1.4 MW |
| Cecil | 181 | 2.2 MW |
| St. Marys | 156 | 2 MW |
| Washington | 107 | 1.2 MW |
| Wicomico | 91 | 1.3 MW |
| Calvert | 84 | 1.1 MW |
Maryland Solar Incentives
Tax credits, rebates & programs
Is Solar Worth It in Maryland?
Data-backed analysis
Source: