By the SolarFY Editor · Reviewed by the MySolarFY team · Updated June 2026. We write about home solar costs, incentives, and how to compare quotes in plain language; how we work.
Solar panels in Bethesda, MD make sense for a specific local reason: you are buying power from Pepco at a rate that keeps climbing, Maryland hands solar owners a stack of incentives to replace it, and Montgomery County actually makes the permit easy. The details that decide your number are local, not national: Pepco runs your net metering and trues it up once a year in April, Maryland runs an SREC market and waives the sales and property tax on your system, and the county’s eSolar program can issue your rooftop permit the same day. This guide covers what solar really costs and earns in Bethesda (Montgomery County), how Pepco credits your power, the Maryland and county incentives you may qualify for in 2026, and the bigger-home and federal-credit wrinkles to plan around, then you can check your address in about a minute. Updated for 2026.
The Bethesda solar picture at a glance (2026)
- Pepco power is not cheap, and it is rising. Pepco’s all-in residential rate in Maryland runs about 19.66 cents per kWh (roughly 13.27 cents supply plus 6.39 cents delivery, plus a fixed monthly customer charge), per the Maryland Office of People’s Counsel (as of June 2026), and Pepco filed in late 2025 to raise distribution rates further.
- Pepco net metering credits you at full retail, then trues up in April. Unused kWh credits roll over month to month at the full retail rate; once a year, ending with the billing cycle before the end of April, Pepco cashes out any leftover credits at its lower generation rate (Maryland PSC / PUA 7-306, as of 2026).
- Maryland waives the sales tax and the property-tax bump. Solar equipment is exempt from Maryland’s 6% sales tax (Maryland Comptroller, as of 2026), and the value your system adds to your home is exempt from property tax (DSIRE, Md. Tax-Property Code 7-242, as of 2026).
- Maryland SRECs add ongoing income. Your system earns one SREC for every 1,000 kWh it generates, sellable for income; the price moves and has sat at or below Maryland’s $50 per MWh cap (DSIRE, as of 2026).
- Montgomery County makes the permit fast. The county’s eSolar program issues the residential rooftop solar building permit electronically, often immediately once your installer pays online (Montgomery County DPS, as of 2026).
- The 30% federal homeowner credit (Section 25D) ended after December 31, 2025 (IRS, as of January 1, 2026), so a Bethesda homeowner who buys solar in 2026 cannot claim it. Maryland’s own programs were not affected.
Why Pepco’s rates make solar worth it in Bethesda
The reason solar pays in Bethesda is the Pepco bill it offsets, which is already high and headed up. Pepco’s all-in residential rate in Maryland runs about 19.66 cents per kWh, roughly 13.27 cents of supply plus 6.39 cents of delivery, plus a fixed monthly customer charge (Maryland Office of People’s Counsel, as of June 2026). Pepco filed in late 2025 to raise distribution rates further, so the bill your roof would replace is trending up, not down. As a quick original benchmark, at 19.66 cents per kWh each 1,000 kWh your system generates and you use is worth about $197 a year (19.66 cents times 1,000 kWh), so a system that covers most of a larger Bethesda home’s usage offsets a substantial annual spend. For the exact cents on your own bill, divide the total on a recent Pepco statement by the kWh you used.
Your production is what turns that rate into savings, and a Bethesda roof needs a real estimate. Bethesda sits near 39 degrees north and gets a solar resource typical of the Mid-Atlantic, but mature tree canopy is common here and shade changes everything, so estimate your specific roof with NREL’s free PVWatts calculator rather than a generic number. Your production drives your net-metering credits and your SREC income, so getting it right matters before you size a system. To see how the savings add up over time, read the financial case for whether solar panels are worth it and how solar lowers your electricity bill.
| Bethesda solar by the numbers (2026) | Figure | Source |
|---|---|---|
| Pepco all-in residential rate (Maryland) | About 19.66 cents per kWh | MD OPC, as of June 2026 |
| Annual bill value of each 1,000 kWh you self-consume | About $197 (derived: 19.66 cents times 1,000 kWh) | Derived from the MD OPC rate, as of June 2026 |
| Maryland SREC | One SREC per 1,000 kWh (1 MWh); value varies, at or below the $50/MWh cap | DSIRE, as of 2026 |
| Maryland sales tax on solar equipment | 0% (exempt from the 6% rate) | MD Comptroller, as of 2026 |
| Property tax on the system’s added home value | Exempt | DSIRE, as of 2026 |
How much do solar panels cost in Bethesda, MD, and what is the payback?
Solar in Bethesda runs about $2.61 per watt, so a mid-size system costs roughly $15,000 to $29,000 before incentives and pays for itself in about 9 years on bill savings alone, with Maryland SRECs trimming that further. Here is the original, Bethesda-specific estimate behind those numbers, which we built from local production, the local Pepco rate, and local install prices so you have a starting point before you ever talk to an installer. We ran NREL’s PVWatts model for a Bethesda ZIP code (20814) and it returns about 8,148 kWh a year for a 6 kW system, or roughly 1,358 kWh per kW per year (NREL PVWatts v8, NSRDB typical-year data, as of June 2026), a Mid-Atlantic yield that we scaled up for larger systems. We valued each kilowatt-hour at Pepco’s all-in residential rate of 19.66 cents (MD OPC, as of June 2026), and priced the system at the $2.61 per watt EnergySage reports for Bethesda installs, within a $2.50 to $3.00 per watt range (EnergySage Bethesda, as of June 2026), then took Maryland’s 6% sales-tax exemption off the top.
| System size | Est. annual production (PVWatts, scaled) | Annual bill offset at 19.66 cents/kWh | Installed cost at $2.61/W (before incentives) | Net cost after MD sales-tax exemption | Simple payback (bill offset only) |
|---|---|---|---|---|---|
| 6 kW | About 8,148 kWh | About $1,600 | About $15,660 | About $14,720 | About 9.2 years |
| 8 kW | About 10,860 kWh | About $2,140 | About $20,880 | About $19,630 | About 9.2 years |
| 11 kW | About 14,940 kWh | About $2,940 | About $28,710 | About $26,990 | About 9.2 years |
What this table is really telling you: the payback stays near 9 to 10 years across system sizes because the cost and the production both scale with the system, so a bigger Bethesda array does not pay back faster, it just saves more total dollars (and lets a larger home cover more of its load under Maryland’s 200%-of-usage net-metering rule). Two things move that number. Install price: at the top of the local range, $3.00 per watt, payback stretches toward 10.6 years, while a $2.50 per watt quote pulls it down near 8.8 years, which is why a shaded Bethesda roof that needs higher-efficiency panels costs more and pays back a little slower. And income: every kilowatt-hour above is valued at the bill you stop paying, but your Maryland SRECs add separate ongoing income on top, so your real payback is shorter than the bill-offset-only number shown here. As an upper-bound illustration, a 6 kW Bethesda system generates roughly 8 MWh a year and so earns about 8 SRECs; valued at or below Maryland’s $50 per MWh cap, that is up to about $400 a year, enough to trim roughly half a year to a year off the paybacks above. SREC prices move and often sit below the cap, so treat that as a ceiling, not a promise. The estimate carries no federal tax credit, because the 30% federal Residential Clean Energy Credit (Section 25D) ended after December 31, 2025 (IRS, as of 2026), so a 2026 Bethesda buyer cannot count on it. These are modeled averages, not a quote for your roof; your shade, usage, and bid will move them, so confirm with PVWatts and an itemized local bid.
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How Pepco net metering credits your Bethesda solar
Net metering is the engine of your savings, and Pepco runs it at full retail during the year, then settles up once in April. When your panels make more than you use, the extra flows to the grid and Pepco credits it at the full retail rate, energy plus delivery, and unused kWh credits roll forward month to month like a bank you draw down in winter (Maryland PSC / PUA 7-306, as of 2026). Maryland also lets you size a system up to 200% of your past year’s usage, which matters for a larger Bethesda home that wants to cover more of its load. For the mechanics in plain terms, see how net metering credits your solar exports and the Pepco net metering and rate plan in Maryland guide.
Note: The number people get wrong is the annual true-up. Your net-metering year ends with the billing cycle just before the end of April, and Pepco pays out any leftover credits in cash at its lower generation (avoided-cost) rate, not the full retail rate, then resets the bank (Maryland PSC / PUA 7-306, as of 2026). The practical takeaway: size your system close to your annual usage so you spend your credits at full retail through the year, rather than banking a big surplus that gets cashed out cheap in April.
| What happens to your exported power | How it is valued | When |
|---|---|---|
| Credits you use within the net-metering year | Full retail rate (energy plus delivery) | Month to month, as you draw power back |
| Leftover credits at the April true-up | A lower generation, avoided-cost rate, then the bank resets | Once a year, ending just before the end of April |
| SREC income | A separate per-MWh market value, sold for ongoing income | On top of the bill credits, to the system owner |
One step a Bethesda install cannot skip is the Pepco interconnection. Your installer applies through Pepco’s online MyGeneration portal, and Pepco reviews, authorizes the install, sets a bidirectional meter, and grants Permission to Operate before your system can turn on (Pepco MyGeneration, as of 2026). There is no interconnection fee for inverter systems up to 10 kW, and $50 plus $1 per kW above that. An installer who files Pepco interconnections regularly will handle the paperwork for you.
Maryland’s solar incentive stack: SRECs, sales tax, and property tax
Beyond the bill savings, Maryland stacks incentives that go to the system owner. On a cash or loan purchase that owner is you; on a lease or PPA it is the company that owns the panels. The statewide detail lives on our Maryland solar guide; here is what each one is and where to confirm it.
- Maryland SRECs. Your system earns one Solar Renewable Energy Credit (SREC) for every 1,000 kWh (1 MWh) it generates, and you can sell those for ongoing income under Maryland’s renewable portfolio standard (DSIRE, as of 2026). The price moves and has generally sat at or below Maryland’s $50 per MWh compliance-payment cap, so check a current SREC broker or the Maryland Public Service Commission renewable-portfolio report for live pricing rather than budgeting on a fixed number.
- A sales-tax exemption. Residential solar equipment is exempt from Maryland’s 6% sales and use tax, so you pay no state sales tax on the system (Maryland Comptroller, as of 2026).
- A property-tax exemption. The added home value from a residential solar system is exempt from Maryland state and local property tax, so installing solar does not raise your assessment for the system’s value (DSIRE, Md. Tax-Property Code 7-242, as of 2026).
- The Maryland Solar Access Program (state rebate), with a catch. Maryland’s Energy Administration runs the Maryland Solar Access Program, which replaced the retired $1,000 Residential Clean Energy Rebate Program. It pays $750 per kW up to $7,500 per household, but it is income-qualified, open to households at or below 150% of the statewide median income, so many Bethesda homeowners will not qualify, and it runs by program year (the 2026 round closed in April 2026). Confirm the current award and whether you qualify on the MEA program page (as of 2026).
| Maryland solar benefit | What it is | Status in 2026 |
|---|---|---|
| Full-retail net metering (Pepco) | Excess credited at retail during the year, leftover trued up at the generation rate in April | Active (MD PSC) |
| Maryland SRECs | One SREC per MWh, sold for ongoing income, value at or below the $50/MWh cap | Active (DSIRE) |
| Sales-tax exemption | Solar equipment exempt from the 6% sales tax | Active (MD Comptroller) |
| Property-tax exemption | System’s added home value is not taxed | Active (DSIRE) |
| Federal residential credit (Section 25D) | The 30% homeowner credit | Ended after December 31, 2025 (IRS) |
Montgomery County’s local edge: eSolar permitting and the efficiency credit
Montgomery County gives Bethesda two things a generic Maryland page cannot: a fast solar permit and a separate efficiency tax credit. The standout is eSolar, the county’s expedited permitting path that issues the residential rooftop solar building permit electronically, often immediately once your installer pays online, using the national SolarAPP+ tool (Montgomery County DPS, as of 2026). Your installer pulls it and a separate electrical permit still applies, which is one more reason to choose a Montgomery County permit-savvy installer who can move quickly. Bethesda shares this same Pepco service territory and Montgomery County eSolar process with nearby Silver Spring, Rockville, and Gaithersburg, so the net-metering and permitting rules on this page apply to those neighbors too.
The county also offers an energy tax credit, but read the fine print: it is for efficiency, not panels. Montgomery County gives residents a property-tax credit of up to $250 a year, with a roughly $100,000 county-wide annual pool handed out first-come, first-served, for energy-efficiency improvements like air-sealing, insulation, heating and cooling equipment, windows, and doors (Montgomery County DEP, as of 2026). Solar panels themselves do not qualify for this county credit; solar PV instead gets Maryland’s state property-tax exemption above. If you are pairing solar with efficiency upgrades, which is common in older Bethesda homes, you may be able to use both, so ask the county Finance office about the efficiency credit while your installer handles the solar side.
Does Maryland still have a federal solar tax credit in 2026?
The federal homeowner credit is gone, but Maryland’s programs are not. The 30% federal Residential Clean Energy Credit (Section 25D) ended for systems placed in service after December 31, 2025, under the One Big Beautiful Bill Act, so a Bethesda homeowner who buys solar with cash or a loan in 2026 cannot claim it (IRS Residential Clean Energy Credit; SEIA, as of 2026). You will still see installer pages and even search prompts asking whether the 30% credit is available for 2026; the accurate answer is that the homeowner version already ended. Maryland net metering, SRECs, and the state tax exemptions were not affected, and at Pepco’s rising rates the bill offset alone is substantial. For the full timeline, see what the federal solar tax credit change means in 2026.
One federal exception exists, and it is not yours to claim. A separate commercial credit, Section 48E, is claimed by the business that owns a leased or PPA system, not by the homeowner (IRS Clean Electricity Investment Credit, as of 2026). On a leased system you do not file for a federal credit yourself; the company that owns the panels does. The 25D homeowner credit, by contrast, ended after December 31, 2025.
Sizing solar for a larger Bethesda home
Bethesda homes skew large and energy-hungry, which changes how you size a system and which incentives matter. Bigger houses with central air, pools, and EV charging use more power, and because Maryland lets you net-meter a system sized up to 200% of your past year’s usage, a Bethesda roof can often carry a larger array that offsets more of that load. The flip side is that the most-publicized state rebate, the income-qualified Maryland Solar Access Program, will not reach many Bethesda households, so the durable value here is the bill offset through Pepco net metering, the ongoing SREC income, and the two tax exemptions, not a one-time grant.
Note: Mature tree canopy is part of Bethesda’s character and its biggest solar variable. Shade from large trees can cut a roof’s output sharply, so a good installer runs a shade study and may recommend fewer, higher-efficiency panels on the sunniest planes rather than filling the whole roof. Get a production estimate tied to your actual roof before you sign.
| Bethesda home or site factor | What to plan for |
|---|---|
| Large home, high usage (AC, pool, EV) | A larger system, sized up to 200% of annual usage under Maryland net metering |
| Mature tree canopy and shading | A shade study; fewer, higher-efficiency panels may beat a full roof |
| Older home near downtown Bethesda | A possible electrical-panel check, and efficiency upgrades that pair with the county credit |
| Income-qualified state rebate | Likely not available to higher-income households; value comes from net metering, SRECs, and tax exemptions |
Paying for solar in Bethesda: cash, loan, lease, or PPA
There is no single right way to pay for solar; the best fit depends on whether you want to own the system and keep the Maryland incentives yourself, or avoid an up-front cost. A lease or PPA can mean no up-front cost for eligible homeowners, but it is a long-term agreement with monthly payments, not free solar, and the system owner, not you, collects the SREC income and the tax benefits. To weigh the long-run numbers, see the financial case for whether solar panels are worth it.
| Path | Up-front cost | Who keeps SRECs + tax benefits | Best when |
|---|---|---|---|
| Cash purchase | Full system cost | You, the owner | You want the fastest payback and the most lifetime savings |
| Solar loan | Little to none, financed | You, the owner | You want ownership without paying cash up front |
| Lease or PPA | $0-up-front where eligible | The third-party owner | You prefer no up-front cost and a simpler, fixed monthly bill |
How to choose a solar installer in Bethesda
Bethesda and Montgomery County have a deep, competitive market of licensed installers, which is good for you because it means real competition on price and service. The live search results are mostly national directories and out-of-area templates, so rather than leaning on a “best installer” list, screen any company against objective criteria and decide what to look for yourself:
- NABCEP certification, the industry’s professional standard for PV installers.
- A valid Maryland Home Improvement Commission (MHIC) license and proper electrical licensing.
- A clear workmanship and equipment warranty in writing.
- Real experience with Pepco interconnection and Montgomery County eSolar permitting, so your application and Permission to Operate go smoothly.
- A written production estimate that accounts for your tree shade, and a transparent quote. For a checklist, see the right questions to ask a solar installer.
MySolarFY matches you with licensed installers that serve your area, screened for the state licensing and certification standards above, so you can compare real local quotes side by side, with no obligation. You can also learn more about the MySolarFY team and how we work.
See which Pepco and Montgomery County solar programs your address qualifies for →
Weighing your options across the area? Compare nearby solar markets with our local guides for Hyattsville.
Frequently asked questions
Is solar worth it in Bethesda, MD in 2026?
For most owner-occupied Bethesda homes with decent sun, yes. Pepco’s all-in residential rate runs about 19.66 cents per kWh and is trending up after a late-2025 rate filing (Maryland OPC, as of June 2026), so every kilowatt-hour your roof makes offsets a rising grid one. Pepco net metering credits your exports at full retail during the year, Maryland SRECs add ongoing income, and the state waives the sales and property tax on your system. Savings are not guaranteed and depend on your roof, your tree shade, and how you pay, but Bethesda’s rising rates and Maryland’s incentive stack make it a solid solar market.
Who is my electric utility for solar in Bethesda?
Pepco (Potomac Electric Power Company). Bethesda and Montgomery County are in Pepco’s Maryland service territory, not BGE, which serves the Baltimore area, so your local math differs from how solar works for Baltimore homeowners on BGE. Your interconnection application, your net-metering credits, and your annual true-up all run through Pepco (Pepco MyGeneration, as of 2026). Your installer files the Pepco interconnection through the MyGeneration portal and obtains Permission to Operate before your system can turn on.
How does Pepco net metering and the April true-up work?
When your panels produce more than you use, the extra flows to the grid and Pepco credits it at the full retail rate during the year, and unused kWh credits roll forward month to month (Maryland PSC / PUA 7-306, as of 2026). Your net-metering year ends with the billing cycle just before the end of April, and Pepco pays out any leftover credits in cash at its lower generation rate, then resets the bank. The smart move is to size your system close to your annual usage so you spend credits at full retail rather than banking a surplus that gets cashed out cheap in April.
What solar incentives does Maryland offer in 2026?
Several, all going to the system owner. Maryland runs an SREC market, one SREC per 1,000 kWh you generate, sold for ongoing income at a value that has sat at or below the $50 per MWh cap (DSIRE, as of 2026). The state also exempts solar equipment from the 6% sales tax (Maryland Comptroller, as of 2026) and exempts the system’s added home value from property tax (DSIRE, as of 2026). The Maryland Solar Access Program rebate exists too, but it is income-qualified, so many Bethesda households will not qualify.
Does Montgomery County have its own solar credit or fast permit?
Montgomery County does not have a solar-PV property-tax credit, but it has two useful things. Its eSolar program issues the rooftop solar building permit electronically, often immediately once your installer pays online (Montgomery County DPS, as of 2026). Separately, the county gives up to a $250 property-tax credit for energy-efficiency upgrades like insulation, HVAC, and windows, not for solar panels (Montgomery County DEP, as of 2026). Solar PV instead gets Maryland’s state property-tax exemption.
What happened to the federal solar tax credit?
The 30% federal Residential Clean Energy Credit (Section 25D) ended for systems placed in service after December 31, 2025, under the One Big Beautiful Bill Act, so a Bethesda homeowner who buys solar in 2026 with cash or a loan cannot claim it (IRS, as of 2026). A separate commercial credit, Section 48E, can apply to leased and PPA systems, but the business that owns the system claims it, not the homeowner. Maryland net metering, SRECs, and the state tax exemptions were not affected, so the local payback case still holds.
Written by the SolarFY Editor and reviewed by the MySolarFY team. Figures were verified against the linked Maryland (Maryland OPC, Maryland Comptroller, Maryland PSC, MEA), Montgomery County, Pepco, DSIRE, and IRS sources as of June 2026; the Pepco rate, the SREC value, the Maryland Solar Access award, and county program terms can change, so confirm current terms with Pepco, the Maryland Energy Administration, and Montgomery County before you decide. MySolarFY does not provide tax or financial advice; consult a licensed professional about your own situation. Learn more about the MySolarFY team and how we work.
MySolarFY is a free service that matches homeowners with licensed solar installers. We are not an installer, financing company, or government program. “No up-front cost” refers to qualifying lease or PPA financing, where eligible homeowners may have no out-of-pocket cost at installation. Lease and PPA terms typically run 20 to 25 years, may include an annual price escalator, and total payments may exceed the cost of a cash purchase; on a lease or PPA the SREC income and tax benefits go to the company that owns the system, not the homeowner. Homeowners do not get the federal residential credit that ended after December 31, 2025. Solar panels are not free and monthly payments apply. Eligibility, savings, incentives, and rates vary and are not guaranteed. See our full disclaimer.
