Solar Panels Maryland — Costs, Savings & Payback
The Real Cost of Waiting for Solar Panels in Maryland
BGE, Pepco, Delmarva Power raised rates by up to 12% in the past year — a 3–6% per year trend over the past decade. At Maryland's current $0.22400/kWh and 4.58 peak sun hours daily, solar panels in Maryland typically generate $1,528 – $3,056 in annual savings, and that number grows as rates climb.
To give you a reliable picture, these estimates are built on strictly conservative assumptions: no expired incentives, includes ~4%/yr electricity rate increases (EIA historical avg), Full Retail NEM (1:1) — every exported kWh credited at full rate. While other sites inflate their numbers to close a sale, we show reality — so the savings you see here are savings you can actually count on.
Maryland Solar Data at a Glance
Maryland offers a strong case for residential solar in 2026. Above-average electricity rates of $0.22400/kWh combined with 4.58 daily sun hours deliver payback in ~13 years. Utility rates have risen 3–6% annually — every year without solar panels in Maryland adds to that avoidable cost.
Source: NREL Solar Radiation Database
Most Maryland homeowners going solar in 2026 are looking at a gross investment of $25,500 – $49,500 — with returns outperforming the national average. The payback period is roughly 1 year shorter than the US median. Maryland's property tax exemption shields $22,400 – $44,800 in solar-added home value from reassessment.
Rates from EIA ($0.22400/kWh), sun hours from NREL. All figures use real location data and already factor in a 4%/year compounded electricity rate increase — giving you a realistic picture you can actually plan with. Use our free Solar Calculator for a personalized ZIP-level estimate.
Data: May 2026
Why Solar Panels in Maryland Make Financial Sense
- Above-average electricity rate of $0.22400/kWh — higher than the national average of $0.1805/kWh, accelerating payback for solar panels Maryland
- 4.58 peak sun hours daily — enough to consistently offset the majority of household electricity consumption with solar panels in Maryland
- Maryland exempts solar-added home value from property tax reassessment — your assessed value rises by $22,400 – $44,800, but you pay no additional property tax on that increase
- Full retail net metering means every exported kilowatt-hour from your solar panels in Maryland earns a full credit at $0.22400/kWh, maximizing year-round financial return
Maryland law protects solar-added home value from property tax — your assessed value rises by $22,400 – $44,800, but you pay no additional property tax on that amount. NREL and SEIA data consistently show solar panels Maryland delivering positive lifetime returns, particularly for BGE, Pepco, and Delmarva Power customers, where residential rates have risen 3–6% per year. Use our Solar Calculator for your exact numbers. NREL research shows solar panels Maryland retain 87–92% of their output after 25 years — meaning the Maryland solar investment keeps delivering well beyond the payback window.
Top Solar Cities in Maryland
| City | Peak Sun Hrs | Avg. Rate | Est. 10-Year Savings* | Est. Payback |
|---|---|---|---|---|
| Easton | 4.58 hrs/day | $0.22400/kWh | $30,123 | 11 years |
| Annapolis | 4.58 hrs/day | $0.22400/kWh | $29,799 | 11 years |
| Baltimore | 4.58 hrs/day | $0.22400/kWh | $29,667 | 11 years |
| Silver Spring | 4.58 hrs/day | $0.22400/kWh | $29,475 | 11 years |
*$200/month bill, south-facing roof. NREL + EIA data. Use our free Solar Calculator for your exact address.
Solar Panels Maryland vs. US Average
At $0.22400/kWh — +24% higher the national average — solar panels Maryland generate above-average value per installed watt. Combined with 4.58 daily sun hours, Maryland delivers strong 25-year returns compared to most US markets.
| Factor | Maryland | US Average | MD Advantage |
|---|---|---|---|
| Peak Sun Hours | 4.58 hrs/day | 4.58 hrs/day | +2% more |
| Solar Payback Period | ~12 years | 15 years (US avg) | 3 yrs faster |
| 10-Year Savings* | $28,815 | $28,815 | $0 more |
| 25-Year ROI* | ~203% | ~147% (US avg) | +56% higher |
*$200/month bill reference. Sources: NSRDB (NREL), EIA.
How Much Can a Maryland Family Save with Solar?
Most Maryland families save $1,528 – $3,056 per year with solar panels. Homes with EV charging or high AC loads benefit most — BGE, Pepco, and Delmarva customers face some of the region's higher residential rates, making every self-consumed kilowatt-hour especially valuable.
Solar Incentives in Maryland (2026)
Property Tax Exemption: Maryland's property tax exemption for solar prevents reassessment when you go solar. BGE, Pepco, and Delmarva Power customers see home value increase without triggering a higher property tax burden.
Net Metering: When your solar panels produce more than you use, the surplus flows to the grid and you earn a full credit at $0.22400/kWh — the same rate you'd pay to buy it back. Think of the grid as a free battery: you bank excess power during the day and draw from your credits at night.
Maryland Solar FAQ
Most homeowners save $1,528 – $3,056 per year with solar panels Maryland. At $0.22400/kWh and 4.58 sun hours, solar panels Maryland pay back in ~13 years and generate $63,635 – $127,270 over 25 years. Use our Solar Calculator for your ZIP.
A typical Maryland home needs a 6.8–13.2 kW system (17–33 panels), costing $25,500 – $49,500 at 2026 prices. Maryland's property tax exemption shields solar-added home value from reassessment. Use the calculator above for your exact numbers.
The federal solar tax credit (Section 25D, ITC) expired December 31, 2025 and is no longer available. Maryland property tax exemption on solar-added home value. Net metering: Full Retail 1:1 — Full Retail 1:1— Maryland maintains full retail net metering. Every kilowatt-hour your solar panels Maryland export earns a full credit at $0.22400/kWh, significantly improving payback and 25-year ROI.
Solar in Nearby States
Curious how solar looks in other states? Check out the Solar by State hub →
Free Tools & Guides
Maryland solar data sourced from U.S. EIA, NREL, and DSIRE. Last updated May 2026. Estimates are illustrative averages — use our free Solar Calculator for personalized results.