You’ve finally made the decision to go solar. Congratulations. But just when you thought the hard part was over, you’ve discovered there’s another major decision waiting: should you lease your solar panels or buy them outright? If you’ve spent any time researching this question, you’ve probably encountered passionate advocates on both sides, confusing financial jargon, and more than a few sales pitches dressed up as objective advice.

Here’s the truth: the right answer depends entirely on your financial situation, your long-term goals, and how much you care about squeezing every dollar of value out of your solar investment. What we’re going to do in this article is cut through the noise and give you a genuine, numbers-driven comparison so you can make a decision you’ll still feel good about a decade from now.

Understanding the Two Main Paths: Lease vs. Buy

Before we get into the dollars and cents, let’s make sure we’re on the same page about what each option actually involves.

What Is a Solar Lease?

A solar lease is essentially a rental agreement. A solar company installs panels on your roof, owns those panels, and charges you a monthly fee to use the electricity they generate. Some leases charge a flat monthly rate, while others use a “power purchase agreement” (PPA) structure where you pay per kilowatt-hour (kWh) of electricity produced, often at a rate lower than your utility company charges.

Lease terms typically run 20-25 years. Many include a small annual rate escalator (usually 1-3%) built into the contract, meaning your monthly payment increases slightly each year.

What Does Buying Solar Mean?

Buying solar means you own the system outright. You can pay cash, or more commonly, finance the purchase through a solar loan. When you own the system, every kilowatt-hour it produces is yours, reducing your electricity bill dollar for dollar. You also receive all applicable incentives, including the federal solar Investment Tax Credit (ITC), which currently stands at 30% of the total system cost.

[RELATED: how to choose the best solar loan for your home]

Breaking Down the Numbers: What Does Each Option Actually Cost?

Recommended Emporia Vue Gen 2 Home Energy Monitor 16 Sensors

Real-time whole-home electricity monitor with 16 circuit sensors and solar/net metering capability.

Check Price →
ScenarioUpfront Cost (After ITC)Monthly PaymentTotal Cost Over 25 YearsNet Savings Over 25 YearsPayback Period
Cash Purchase$16,800$0$16,800$38,000-$48,0007-9 years
Solar Loan (12-year, 5.99%)$16,800 (after ITC applied)$165-$180~$20,300-$21,600$30,000-$40,0008-10 years
Solar Lease (20-25 year term)$0$120-$150$48,000-$58,000$10,000-$18,000N/A (no ownership)

This is where most comparisons either get oversimplified or buried in so much complexity that readers give up. Let’s use a realistic example: a 8 kW residential solar system in a mid-sized U.S. city.

System assumptions:

  • Average system cost: $24,000 (before incentives)
  • After 30% federal ITC (if purchased): $16,800
  • Average monthly electricity bill offset: ~$130-$160
  • Annual electricity rate escalation: 3%

The Purchase (Cash Buy) Scenario

If you pay cash, your upfront cost after the tax credit is approximately $16,800. Over a 25-year period, assuming your utility rate increases 3% annually, you’d save roughly $55,000-$65,000 in avoided electricity costs. Your net profit over the life of the system: $38,000-$48,000. The system typically pays for itself in 7-9 years, and everything after that is pure savings.

The Solar Loan Scenario

Most homeowners who “buy” their system use a solar loan. A $24,000 system financed over 12 years at 5.99% interest (a common rate) means monthly payments of approximately $240-$260. After the tax credit is applied (many lenders allow you to pay down the principal with your ITC refund), your effective loan balance drops to around $16,800, bringing payments closer to $165-$180/month.

Total interest paid over the loan term: roughly $3,500-$4,500. Your total long-term savings remain substantial, typically $30,000-$40,000 over the full system life.

The Lease Scenario

A typical solar lease for an 8 kW system might start at $120-$150/month, with a 2.9% annual escalator. Over 25 years, your total lease payments add up to approximately $48,000-$58,000. You may save compared to rising utility rates, but the savings are often modest: $10,000-$18,000 in net electricity cost reduction over the full term.

You receive no tax credits. You don’t own the asset. And if you sell your home, you either transfer the lease (which can complicate sales) or pay a buyout fee.

The Hidden Costs and Factors Most Calculators Miss

The monthly payment comparison is just the beginning. Several factors dramatically change the financial picture, and most solar salespeople won’t volunteer this information.

Home Sale Complications

When you own your solar system, studies from Lawrence Berkeley National Laboratory show it adds an average of $15,000-$25,000 to your home’s resale value. Buyers see owned solar as a major asset.

With a leased system, your home sale gets complicated. The new buyer must either qualify to assume the lease or you must buy out the contract. Buyout costs late in a lease can range from $8,000-$20,000. Some real estate agents report that leased solar systems have caused deals to fall through entirely.

Maintenance and Monitoring Responsibilities

One genuine advantage of leasing: the solar company typically handles maintenance and monitoring. If an inverter fails or panels underperform, it’s their problem.

When you own your system, maintenance is your responsibility. Inverters have a lifespan of 10-15 years and can cost $1,000-$2,500 to replace. Most quality systems come with 10-25 year manufacturer warranties that cover major components.

Regardless of whether you lease or buy, solar monitoring is essential for tracking your system’s performance. A quality home energy monitor like the Emporia Vue Smart Home Energy Monitor (available on Amazon) can give you real-time data on your system’s production and your home’s consumption, helping you catch underperformance before it costs you money. (Note: This site may earn a commission on qualifying purchases.)

[RELATED: best solar monitoring systems for residential homes]

Tax Incentives and Who Gets Them

This cannot be overstated: if you lease, you get zero federal tax credits. The leasing company receives the 30% ITC instead, which is a big part of how they make their business model work.

If you’re a homeowner who pays federal income taxes, that 30% credit on a $24,000 system is $7,200 back in your pocket if you own. That single factor often makes purchasing the mathematically superior choice for most tax-paying homeowners.

Comparison Table: Solar Lease vs. Buy at a Glance

FactorCash PurchaseSolar LoanSolar Lease / PPA
Upfront Cost$16,800 (after ITC)$0-$2,000 down$0
Monthly Cost$0$165-$260$120-$175 (escalating)
Federal Tax Credit (30%)✅ Yes✅ Yes❌ No
System Ownership✅ Yes✅ Yes❌ No
Home Value Increase✅ $15,000-$25,000✅ $15,000-$25,000⚠️ Minimal/Complicated
Maintenance ResponsibilityOwnerOwnerLeasing Company
25-Year Net Savings$38,000-$48,000$30,000-$40,000$10,000-$18,000
Home Sale ComplexityLowLowHigh
Ideal ForMax savings, homeownersNo upfront cash, tax payersRenters at heart, credit challenges

When a Solar Lease Actually Makes Sense

Despite the numbers favoring ownership in most scenarios, there are genuine situations where leasing might be the better fit.

Limited Access to Capital or Credit

If you don’t have cash and don’t qualify for a favorable solar loan, or if your credit score limits you to high-interest financing, a lease might offer solar access without the financial strain. A lease requires no upfront investment and little-to-no credit qualification in many cases.

Short-Term Homeownership Plans

If you’re planning to sell your home within 3-5 years and don’t plan to stay through the loan payback period, a lease might make sense, assuming you can transfer it smoothly. That said, do the math carefully: most lease transfer processes are more complicated than the sales pitch suggests.

Low Tax Liability

The 30% federal ITC only helps you if you actually owe federal taxes. Retirees with low income, or homeowners with significant deductions that reduce their tax bill, may not be able to fully utilize the tax credit. In that case, the ownership advantage shrinks, making leasing comparatively more attractive.

Peace of Mind Over Complexity

Some homeowners simply don’t want to deal with maintenance, monitoring, or the possibility of an inverter failing. For them, the simplicity of a lease, one monthly payment, all maintenance handled, has real value that doesn’t show up in a spreadsheet.

[RELATED: is solar right for your home, complete beginner’s guide]

A Step-by-Step Guide to Making Your Decision

Don’t let the options paralyze you.

Step 1: Get your federal tax picture clear. Talk to your accountant or use IRS Form 5695 instructions to estimate how much of the 30% ITC you could realistically claim. If you can use the full credit, ownership almost always wins.

Step 2: Request quotes for both options. Get at least 3 quotes for purchased systems and at least 2 lease offers from reputable companies. Use platforms like EnergySage to compare apples to apples.

Step 3: Calculate your true lease cost. Take the lease’s starting monthly payment and apply the annual escalator over 25 years. Then compare total lease payments to projected electricity costs without solar. The “savings” are often smaller than the lease company’s brochure suggests.

Step 4: Assess your long-term plans. Are you planning to stay in this home for 10+ years? Ownership becomes significantly more attractive the longer your time horizon.

Step 5: Check your roof condition. If your roof needs replacing in the next 5-7 years, address that before committing to either option. Both leases and owned systems require roof work to be done before or during installation, but moving leased panels is far more complicated.

Step 6: Run the numbers with a solar calculator. Free tools like the NREL PVWatts Calculator or the EnergySage Solar Calculator let you estimate your system’s production based on your actual location and usage. Pair this with a home energy monitor, the Sense Home Energy Monitor (available on Amazon) is a highly rated option, to understand your current consumption baseline before you commit. (Note: This site may earn a commission on qualifying purchases.)

Sources

Disclosure: As an Amazon Associate, we earn a small commission from qualifying purchases at no extra cost to you. We only recommend products that genuinely support the topics covered in this article.

Disclosure: As an Amazon Associate, we earn a small commission from qualifying purchases at no extra cost to you. We only recommend products that genuinely support the topics covered in this article.