Choosing a Solar Energy Company: Protecting Your Investment with Strong Contracts and Warranties

The U.S. residential solar market continues to grow, attracting many homeowners looking to reduce energy costs and environmental impact¹. This growth, however, also brings a critical need for homeowners to understand consumer protections and legal recourse when engaging with a solar energy company. Protecting your investment means carefully evaluating contracts and knowing your rights.

Government bodies are actively addressing consumer concerns. In August 2024, the U.S. Department of the Treasury, Consumer Financial Protection Bureau (CFPB), and Federal Trade Commission (FTC) issued advisories. These advisories aim to protect residential solar consumers from unfair practices, including predatory contracts and unfulfilled installation promises. These agencies also encourage consumers to file complaints about suspicious behavior related to solar energy companies².

Understanding Your Solar Contract

A solar contract is a long-term agreement, often spanning decades. You must review it carefully and avoid feeling pressured. Vague language, missing details, or high-pressure sales tactics are red flags³.

The contract should clearly outline several key components. This includes the exact system size, specific equipment details (like brand, model, and quantity), the total cost, and the cost per watt. It should also specify payment terms, including any deposits, payment schedules, and whether you're using financing or a lease⁴.

The contract must also clearly state who is responsible for various stages of the project. This includes design, obtaining necessary permits, inspections, and setting up interconnection agreements with your utility company⁵. Ensure the contract lists all inclusions and exclusions from the quoted price⁴.

Specifics for Leases and Power Purchase Agreements (PPAs)

If you opt for a solar lease or a Power Purchase Agreement (PPA), additional details become crucial.⁵ Review the contract length, typically 20-25 years. Understand who receives the benefits from solar incentives, such as Solar Renewable Energy Credits (SRECs) if applicable in your state⁶.

Look for buy-out options and terms for moving or selling your home. The contract should also disclose any estimated annual utility rate increases and the initial electricity price⁵. These factors significantly impact your long-term savings.

Dispute Resolution and Changes

Unexpected issues can arise during permitting or installation. Your contract should include provisions for how these changes will be handled and resolved⁵. It should also detail a clear dispute resolution process. This ensures you have a defined path to address problems should they occur.

Essential Solar Warranties

Solar energy systems represent a significant investment, designed to last 25 30 years. Robust warranties are essential for protecting this investment, providing both peace of mind and financial security⁷.

There are typically three types of warranties you should expect from a reputable solar energy company:

Product Warranties

Solar panel product warranties typically provide at least 10 12 years of coverage, although many manufacturers now offer 25-year or longer product warranties. Inverters, which convert the DC power from your panels into AC power for your home, usually come with a 5 12 year product warranty, often with options for extension⁴.

Performance Warranties

Performance warranties guarantee that your solar panels will generate electricity at a certain efficiency for their lifespan. Most commonly, these guarantee 80 90% of the original output for 25 30 years⁴. This protects you if your panels degrade faster than expected.

Workmanship Warranties

This warranty covers the installation itself. Installers should provide a workmanship warranty of at least 5 years. Some installers offer longer workmanship warranties, although terms and coverage vary by company. Make sure to verify that these warranties are from established and financially stable companies⁸.

Your Right to Cancel: The Cooling-Off Rule

The Federal Trade Commission (FTC) provides consumer protections for door-to-door sales. The FTC Cooling-Off Rule gives consumers three business days to cancel certain sales made at their home or other covered locations. The rule does not apply to every transaction, so homeowners should confirm whether their solar sale is covered. State laws may provide additional or different cancellation rights, so homeowners should check the rules that apply in their state.

For example, California allows a 3-day cooling-off period from the receipt of specific disclosures. In states like Alaska, "business days" might be defined more broadly, effectively extending this 3-day window⁹. Always check your specific state's regulations.

Industry Standards and Consumer Resources

Several industry organizations provide valuable resources to help homeowners navigate the solar purchasing process. These organizations promote ethical practices and offer tools for informed decision-making.

SEIA has published the SEIA 401 Solar and Energy Storage Consumer Protection Standard, which establishes consumer-protection requirements for the industry. SEIA also offers a "Smart Solar Guide" and a "Consumer Protection Primer" to educate consumers¹.

The Interstate Renewable Energy Council (IREC) offers additional resources. Their "Be Solar Smart Checklist" and a "Clean Energy Consumer Bill of Rights" guide consumers on expected safeguards and best practices¹.

Legal Recourse for Disputes

If disputes arise, understanding your legal options is crucial. State-specific consumer protection laws are often relevant, especially when a solar energy company makes misrepresentations. This includes overstated savings, undisclosed escalator clauses in leases, or misleading ownership claims⁹.

Before signing any contract, research your solar energy company thoroughly. Look for companies with a strong track record and positive reviews. While this article focuses on consumer protection, How to choose the right solar company for your home offers further guidance on selection criteria.

If you suspect unfair practices, remember the advisories from the Treasury, CFPB, and FTC. They encourage filing complaints about suspicious behavior. Document all communications and keep copies of your contract and any related paperwork.

Recommendation

To protect your long-term solar investment, prioritize a thorough review of all contracts and warranties before committing. Do not rush into signing. Ensure the contract is clear, comprehensive, and includes robust product, performance, and workmanship warranties from financially stable providers. Understand your cooling-off rights and leverage resources from organizations like SEIA and IREC. If a dispute arises, document communications, review the contract's dispute-resolution provisions, and consider complaints to relevant consumer-protection agencies or other legal remedies where appropriate. A well-informed approach ensures a secure and positive solar experience.

Sources:

1. Solar Consumer Protection Reflections and Resource Selections, SamanthaD, 2020 (cesa.org)

2. Jy2522 (home.treasury.gov)

3. Understanding Your Solar Contract, WTI Access, 2025 (eaglepointsolar.com)

4. One moment, please... (baigroupllc.com)

5. What to Look For in a Solar Installation Contract, 2026 (goclean.masscec.com)

6. Tips To Consider When Entering Into An Agreement For Solar Power, 2023 (lcwlegal.com)

7. Understanding Solar Panel Warranties: Not All Are Created Equal, willjohnson, 2024 (energyaid.net)

8. Commercial Solar Due Diligence – What to Check Before Signing | Commercial-Solar.org (commercial-solar.org)

9. Solar Panel Laws by State (2026): Cancellation Rights (solarpanelexit.com)