What Is a Solar PPA?
PPAs used to be my least favorite solar option—I felt like homeowners were leaving too much value on the table. But the 2026 tax credit changes have genuinely made me rethink this position. Let me explain what a PPA actually is and why it might make sense for you.
Here's what I tell everyone about PPAs: they're not a bad deal, they're just a different deal. You're trading maximum savings for zero risk and zero hassle. For some people, that's exactly the right trade. And now that PPA companies can claim the 30% federal credit that you can't—the math is closer than ever.
Source: EnergySage Solar Loan Data
The PPA Relationship
- Solar company: Owns equipment, handles installation and maintenance
- You: Provide roof space, buy the electricity produced
- Your utility: Provides backup power when solar isn't producing
How PPAs Work
Step by Step
- Sign agreement: Agree to PPA terms (rate, escalation, term length)
- Installation: Company installs system at no cost to you
- System produces power: Solar panels generate electricity
- You use the power: Solar electricity powers your home first
- Pay your PPA bill: Monthly bill based on kWh produced
- Utility backup: Grid provides power when solar doesn't cover needs
How Your Bills Change
With a PPA, you have two electricity sources:
| Source | Before Solar | With PPA |
|---|---|---|
| Solar (PPA) | — | ~70-90% of usage |
| Utility grid | 100% of usage | ~10-30% of usage |
| Total electricity cost | $200/month (example) | $150/month combined |
PPA vs. Lease: What's the Difference?
PPAs and leases are similar—both involve a third party owning your solar system—but they have a key difference in how you pay:
| Factor | PPA | Lease |
|---|---|---|
| What you pay for | Electricity (per kWh) | Equipment (fixed monthly) |
| Payment structure | Variable (based on production) | Fixed monthly amount |
| Risk if panels underperform | Company's (you pay less) | Yours (same payment) |
| Summer vs. winter bills | Higher in summer (more sun) | Same all year |
| Who owns equipment | Solar company | Solar company |
| Maintenance | Company handles | Company handles |
Source: EnergySage Solar Loan Data
The 2026 PPA Advantage
Here's why PPAs are particularly attractive in 2026:
The Federal Credit Situation
- If you BUY: No federal tax credit (Section 25D ended)
- If you PPA: Solar company claims 30% credit (Section 48E) through 2027
- Your benefit: Lower PPA rates because company's costs are reduced
The Math
Example: A $28,000 system that produces 11,000 kWh/year
| Scenario | Purchase (2026) | PPA (2026) |
|---|---|---|
| System cost | $28,000 | $28,000 |
| Federal credit | $0 (not available) | -$8,400 (company claims) |
| Net cost to provider | $28,000 (you) | $19,600 (company) |
| Effective $/kWh over 25 years | ~$0.10 | ~$0.10-$0.14 |
The federal credit allows PPA providers to offer competitive rates even though they need to make a profit. Without it (for purchases), you pay full price.
Typical PPA Terms
Rate Structure
- Initial rate: Usually $0.08-$0.15/kWh (varies by market)
- Comparison: Typically 10-30% below utility rate
- Goal: Day-one savings on your electricity cost
Escalation Clause
Most PPAs include an annual price increase (escalator):
- Fixed escalator: 1-3% increase per year
- Zero escalator: Same rate for entire term (less common)
- Indexed: Tied to inflation or utility rates
Year 10: $0.16/kWh
Year 20: $0.21/kWh
Year 25: $0.24/kWh
Compare this trajectory to expected utility rate increases in your area.
Source: EnergySage Solar Loan Data
Contract Length
- Typical term: 20-25 years
- Renewal options: May extend at adjusted rates
- Purchase option: Often can buy system at fair market value
- Removal: Company removes at end (usually free)
Performance Guarantee
Many PPAs include production guarantees:
- Minimum kWh production per year
- If not met, company compensates you
- Protects you from underperforming equipment
Pros and Cons of PPAs
Pros
- $0 upfront cost: No investment required
- Immediate savings: Lower electricity cost from day one
- Federal credit benefit: Company passes savings to you
- Performance protection: Pay only for power produced
- No maintenance: Company handles everything
- Monitoring included: Professional oversight of system
- Often includes warranty: Equipment protected for term
Cons
- Long-term commitment: 20-25 year contract
- Escalation risk: Rates may exceed utility in later years
- No ownership: Don't own the system or home value benefit
- No SRECs: Company keeps renewable energy certificates
- Home sale complexity: Buyer must assume or you buy out
- Variable bills: Higher in sunny months, lower in cloudy
- Less total savings: Than purchasing over 25 years
What to Watch For
Escalation Rate
The escalation rate is the most important variable. A 2.9% escalator can make your PPA rate higher than utility rates by year 15-20. Look for:
- Escalators under 2% are better
- Zero-escalator PPAs exist (usually higher starting rate)
- Compare to historical utility rate increases in your area
Contract Terms
Read carefully for:
- Early termination fees: What if you need to exit?
- Transfer provisions: What happens when you sell?
- Purchase options: Can you buy the system? At what price?
- End-of-term options: Renewal, purchase, or removal?
Company Stability
- How long has the company been in business?
- Who actually owns the PPA (often sold to investors)?
- What happens if the company goes bankrupt?
- Are there customer reviews about long-term service?
Is a PPA Right for You?
A PPA May Be Right If:
- You want $0 down: No upfront investment
- Cash flow is priority: Immediate monthly savings
- You're risk-averse: Only pay for power produced
- Credit limitations: Easier to qualify than loans
- No state incentives: PPA federal benefit is your main discount
- Long-term home ownership: Plan to stay 15+ years
- Don't want maintenance hassle: Company handles it
A PPA May Not Be Right If:
- Strong state incentives: Buying captures more value
- Planning to move: Transfer can complicate sale
- Want maximum savings: Ownership yields more long-term
- Want home value increase: Owned systems add more
- In an SREC state: You'd lose SREC income to company
- Low utility rates: PPA may not be competitive
Source: One Big Beautiful Bill (H.R.1, July 2025)
Is a PPA Right for Your Situation?
Our AI can help you compare PPA terms, understand escalation clauses, and figure out if a PPA makes sense for your specific circumstances.
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