How to cancel your Sunnova solar contract and reclaim your consumer rights

Why you might want to cancel your Sunnova agreement

Sunnova operates as an energy-as-a-service provider, which means you do not own the solar system outright. Instead, you are locked into a long-term contract, typically spanning 20 to 25 years. Your circumstances may have changed: you have relocated, found a better energy deal elsewhere, or you are frustrated with system performance or customer service.

Sunnova contracts bundle financing, power purchase agreements, warranties and maintenance into a single multi-year commitment. This complexity creates real obstacles when you want to exit early. Yafee has helped thousands of Australian homeowners navigate solar cancellation, and we understand that early termination involves financial penalties, unclear contractual terms and lengthy response times. Understanding your legal position and procedural options puts you firmly in control.

Common reasons australian homeowners cancel Sunnova

You might cancel because you are relocating interstate or overseas, selling your home, switching to another solar provider, or disputing production guarantees. Some customers discover their system underperforms relative to contract promises, or they face unexpected repair costs outside warranty coverage. Others refinance their finances and need to free up monthly payment obligations to improve cash flow.

What you will encounter during the cancellation process

Sunnova contracts rarely offer straightforward exit clauses. You will typically encounter notice periods of 30 to 90 days, early termination fees based on remaining contract value, and detailed settlement calculations. Response times often stretch beyond 30 days, and you may need to escalate disputes through multiple channels before reaching resolution. Written communication remains your most reliable tool for creating an enforceable record.

Your consumer rights under australian consumer law

Australian Consumer Law protects you even when you have signed a long-term solar contract.

The Australian Consumer Law Act 2010 (ACL) grants you statutory rights regardless of contract length. You have the right to services rendered with due care and skill, goods fit for purpose, and transparent pricing. If Sunnova's system fails to deliver the performance or energy output promised in marketing materials or your signed contract, you may have grounds for a claim or cancellation on consumer protection grounds. The Australian Competition and Consumer Commission (ACCC) enforces the ACL and investigates complaints about misleading or deceptive conduct in the solar energy sector.

Cooling-off rights and when they apply

For most consumer contracts signed in Australia, you have a 14-calendar-day cooling-off period from the date of execution. However, if your Sunnova agreement qualifies as a consumer credit contract or finance agreement, cooling-off rights may be different or absent entirely. Check your original contract document to confirm whether a cooling-off clause exists and whether you still fall within the statutory timeframe.

If you signed within the last 14 days and Sunnova did not provide a written cooling-off clause, contact the company immediately by registered mail to invoke your statutory right to cancel. Include your account number, the contract date and a clear statement that you are exercising your cooling-off right under the ACL.

Your rights to dispute poor performance or misleading claims

If Sunnova promised a specific energy output and your system consistently underperforms by more than 10 percent over a 12-month period, you may have a claim under the ACL for misleading or deceptive conduct. Collect 12 months of production data from your Sunnova monitoring portal, compare it against the contract performance guarantee, and document the shortfall in writing.

This evidence becomes critical if you escalate to the ACCC, your state-based energy regulator, or Yafee's advisors. The ACCC has the power to issue enforceable undertakings and can compel refunds or contract modifications when solar companies breach consumer law standards.

Your legal position and cancellation grounds

You can cancel a Sunnova contract on several legal grounds, each with different procedural requirements and outcomes.

Statutory cooling-off: If you signed within 14 calendar days, you can cancel without penalty by sending written notice. Performance breach: If the system produces less than 90 percent of guaranteed output over 12 months, you have grounds to dispute the contract or seek damages. Misleading conduct: If Sunnova made false claims about energy output, cost savings or warranty coverage, the ACCC can investigate and compel cancellation or refund. Financial hardship: If your circumstances have genuinely changed and you cannot afford the monthly payment, contact Sunnova's hardship team to discuss temporary relief or modified terms.

Cancellation methods and which route is right for you

Sunnova does not offer a simple online cancellation portal or dedicated customer service phone line for exit requests in Australia.

Your primary cancellation route is written communication to Sunnova's registered office address. This method creates a formal paper trail and ensures your request is documented by the company's administration team. You may attempt phone contact first to understand your financial settlement position, but you must follow up all telephone conversations with registered mail confirmation.

Written postal cancellation (primary method)

Postal cancellation is the most legally defensible method because it creates documentary evidence that Sunnova received your request on a specific date. This protects you if the company later disputes whether you submitted a cancellation.

Address your letter to Sunnova's customer service team at their registered office. Include your full name, account or system ID number, service address and the current date. State clearly that you wish to cancel your solar services agreement, reference the contract date and specify your intended cancellation date (typically 30 to 90 days from the letter date, depending on notice periods in your contract).

Use Australia Post's registered mail service with tracking and signature on delivery. This ensures you receive proof that Sunnova accepted the letter. Retain your receipt and tracking number. Expect a written response within 14 business days, although Sunnova may request additional information or dispute your grounds for cancellation.

Telephone contact and follow-up documentation

If you telephone Sunnova, record the date, time, name of the representative and a summary of the conversation. Ask the representative to confirm your request in writing or via email. Follow up the call with a registered mail letter repeating the key details discussed, including any settlement figures or notice periods the representative quoted.

Do not rely on telephone conversation alone. Sunnova staff may misrecord your request or the company may later claim it did not receive a cancellation instruction. Written confirmation creates legal proof that eliminates this risk.

Escalation through your energy regulator

If Sunnova refuses to cancel or disputes your legal grounds, lodge a complaint with your state-based energy ombudsman or the ACCC. In New South Wales, contact the Energy and Water Ombudsman NSW (EWON). In Victoria, contact the Energy and Water Ombudsman Victoria (EWOV). Queensland customers contact the Office of the Utilities Regulator (OUR).

Provide the ombudsman with copies of your cancellation letter, Sunnova's response, evidence of poor performance (if applicable) and any communication showing the company refused your request. The ombudsman can compel Sunnova to respond and may issue a determination ordering contract cancellation or refund of penalties.

Step-by-step cancellation procedure

Follow this structured process to cancel Sunnova and document every stage for legal protection.

1. Review your contract terms for notice periods and exit fees.
   • Locate your original Sunnova agreement and identify the cancellation notice period (typically 30 to 90 days).
   • Calculate the early termination fee by multiplying the remaining contract value by any applicable penalty percentage.
   • Check whether performance guarantees or hardship provisions apply to your situation.
2. Gather 12 months of performance data if disputing output.
   • Download your system production report from your Sunnova monitoring portal.
   • Compare actual output to the contract guarantee in writing.
   • Calculate the percentage shortfall and document it in a separate spreadsheet.
3. Compose your written cancellation request letter.
   • Address it to Sunnova Customer Service at their registered office (see address section below).
   • Include your full name, system ID, service address and the current date.
   • State your grounds for cancellation (cooling-off, performance breach, relocation, or other reason).
   • Specify your requested cancellation date (30 to 90 days from the letter date).
   • Request written confirmation of receipt and a final settlement statement.
4. Send the letter by registered mail with signature on delivery.
   • Visit Australia Post and request registered mail tracking.
   • Provide your letter in a sealed envelope with Sunnova's address clearly written.
   • Retain your tracking number and receipt as proof of posting.
   • Allow up to 5 business days for Australia Post to deliver the letter.
5. Track delivery and await Sunnova's response (14 business days).
   • Check your Australia Post tracking online to confirm delivery date.
   • Expect a response from Sunnova within 14 business days of receipt.
   • If no response arrives within 18 days, send a follow-up letter referencing your original cancellation request.
6. Review Sunnova's response and negotiate settlement if required.
   • Examine the company's final settlement statement for accuracy.
   • Verify that all termination fees comply with your contract terms.
   • If the company disputes your grounds or demands excessive penalties, prepare a dispute response.
   • Contact Yafee for advice if Sunnova's position conflicts with your consumer rights.
7. Escalate to your energy regulator if Sunnova refuses.
   • Obtain your state ombudsman contact details (EWON, EWOV, OUR, or equivalent).
   • Complete the ombudsman complaint form with copies of all correspondence.
   • Lodge the complaint within the relevant timeframe (typically 12 months from Sunnova's final response).

Settlement, refunds and financial outcomes

Your financial settlement depends on your contract terms, the reason for cancellation and how far through the agreement you are.

Sunnova will typically deduct the termination fee from any credit balance on your account or invoice you for the balance owed. Ask Sunnova in writing to provide a detailed settlement calculation showing how they arrived at the fee amount. This allows you to verify the calculation against your contract terms and dispute any errors before payment.

What happens after your cancellation is approved

Once Sunnova confirms your cancellation in writing, several administrative steps follow.

Sunnova will schedule a date to physically disconnect your solar equipment and remove any monitoring hardware from your property. This typically occurs within 14 to 28 days of the cancellation approval. You may be required to pay a disconnection fee (usually between $300 and $600) unless you dispute it on consumer protection grounds.

After disconnection, Sunnova will issue a final invoice reflecting your termination fee, any unpaid balances and credits due. Payment arrangements may vary: some customers pay a lump sum, while others negotiate a payment plan if the amount is substantial. Ensure you retain proof of every payment for your records.

Once disconnected, you regain full ownership of the solar system hardware (unless Sunnova retains ownership in your contract). You may then sell the system, have it reinstalled by another provider, or leave it dormant on your roof. Yafee recommends obtaining written confirmation from Sunnova stating your ownership status and any warranty transfer implications before undertaking any modifications.

Common mistakes that delay or complicate cancellation

Most delays occur because homeowners do not document their cancellation request properly or fail to follow up when Sunnova misses response deadlines.

Mistake 1: Relying on phone calls without written confirmation. If you telephone Sunnova and the representative agrees to cancel, do not assume the request is recorded. Always send a registered mail letter reiterating the conversation. This creates legal proof that Sunnova received your cancellation instruction.

Mistake 2: Missing the 14-day cooling-off window. If you signed more than 14 days ago and your contract does not mention cooling-off rights, you lose the right to cancel without penalty. Act quickly if you are within this window and have not received written cooling-off notice.

Mistake 3: Accepting Sunnova's first settlement offer without verification. Request an itemised breakdown of all fees, charges and calculations. Verify each line item against your contract terms. If the total exceeds what your contract specifies, dispute it in writing with supporting evidence.

Mistake 4: Not escalating to your state regulator when Sunnova refuses. If the company denies your cancellation request without legal justification, lodge a complaint with your energy ombudsman (EWON, EWOV, OUR, depending on your state). The ombudsman has enforcement power that individual consumers do not.

Mistake 5: Failing to retain copies of every communication. Keep originals of your cancellation letter, Australia Post tracking receipts, Sunnova's responses and all payment records. These documents protect you if disputes arise years later regarding disconnection obligations or refund claims.

Pricing comparison and typical settlement costs

Early termination fees vary significantly based on how long you have held your Sunnova contract.

These figures are illustrative only. Your actual termination fee depends on your original contract amount, the specific terms Sunnova agreed to and whether you have grounds to dispute the charges. Ask Sunnova in writing to itemise every cost component in their settlement offer.

After Sunnova: what to do with your solar system

Regaining control of your solar setup opens several options once disconnection is complete.

Option 1: Sell the system to another operator. Some solar companies purchase existing systems. This allows you to transfer the asset without further expense. Yafee recommends obtaining a current performance assessment to establish fair market value.

Option 2: Reinstall with a different provider. If the system is suitable, another solar company may reinstall it under a new lease or power purchase agreement. Ensure the new contract terms are more favourable than Sunnova's were.

Option 3: Retain ownership for your own use. Once disconnected, you own the hardware outright. You can have a licensed electrician reconnect it to your property or your house buyer's system. Check with your local council regarding any permits required.

Option 4: Remove and recycle the system. If the system is too old or damaged to reuse, arrange removal by a specialist recycler. This typically costs $500 to $1,500 but ensures compliant disposal.

Escalation procedures if Sunnova refuses your cancellation

If Sunnova denies your cancellation request or ignores your correspondence, you have formal avenues to compel the company to respond and potentially reverse its decision.

Step 1: Escalate internally within Sunnova. Request that your cancellation matter be reviewed by Sunnova's senior management or customer complaints team. Reference your original cancellation letter, the date it was received and the contract provision that supports your legal position. Send this escalation request by registered mail and set a deadline of 14 days for a response.

Step 2: Lodge a formal complaint with your state energy ombudsman. Once Sunnova has rejected your request or failed to respond within 14 business days, contact your energy ombudsman. In New South Wales, this is EWON (call 1300 662 808 or visit energywater.nsw.gov.au). In Victoria, contact EWOV (call 1300 670 620). Queensland customers contact OUR (call 1800 229 427). Ombudsmen are empowered to investigate complaints and compel utilities to provide reasons for decisions. Their determination is binding on the company unless either party refers the matter to legal proceedings.

Step 3: Lodge a complaint with the Australian Competition and Consumer Commission (ACCC). If your dispute involves misleading or deceptive conduct, product misrepresentation, or unfair contract terms, file a complaint with the ACCC at accc.gov.au. The ACCC investigates systemic issues and can issue enforcement notices requiring contract modifications or refunds. Yafee's advisors can assist you in preparing ACCC complaints with supporting evidence.

Step 4: Seek independent legal advice. If the financial stakes are high (termination fees exceeding $10,000), consult a consumer law specialist. Many Australian law firms offer initial consultations at no cost. They can assess your contract terms, review Sunnova's position and recommend whether legal proceedings are justified.

Key checklist for your Sunnova cancellation

Use this checklist to ensure you have completed every step and documented each stage properly.

• Reviewed your original Sunnova contract and identified the notice period and termination fee structure.
• Confirmed whether you are within the 14-day cooling-off window (if applicable).
• Collected 12 months of system performance data if disputing output.
• Composed a written cancellation request letter addressing Sunnova Customer Service.
• Sent the letter via Australia Post registered mail with signature on delivery.
• Retained your Australia Post tracking number and receipt as proof of posting.
• Tracked delivery online and confirmed Sunnova received the letter.
• Awaited Sunnova's written response within 14 business days.
• Reviewed Sunnova's settlement statement and verified all fees against your contract.
• Disputed any inaccuracies in writing, with supporting contract references.
• If refused, lodged a complaint with your state energy ombudsman.
• Retained copies of all correspondence, invoices and payment proofs.
• Confirmed your ownership status of solar equipment post-disconnection in writing from Sunnova.
• Arranged disconnection and final settlement within agreed timeframes.

Contacting Sunnova and your cancellation address

Send your written cancellation request to Sunnova's customer service address. Although Sunnova operates primarily in the United States, it may have an Australian office or a registered agent for service. If you cannot locate an active Australian address, address your letter to Sunnova's US headquarters and request confirmation that it has been forwarded to the appropriate decision-maker in Australia or the region managing your account.

Australia-based address (if available): Contact Sunnova's customer service line to request the current Australian office address or registered agent details. You may reach the company via its website at sunnova.com or call the customer service number listed on your billing statement.

Alternatively, send to Sunnova's US headquarters: Sunnova Energy International Inc., 14300 Cornerstone Village Drive, Houston, Texas 77014, USA. Request delivery confirmation and retain proof that the letter was received.

Always use registered mail with signature on delivery. This ensures that Australia Post provides tracking evidence and Sunnova cannot later claim non-receipt. The cost of registered mail is typically $12 to $15 per item and is well worth the legal protection it provides.

Summary: taking control of your cancellation

Cancelling a Sunnova contract is achievable when you understand your consumer rights and follow a structured procedural approach. Australian Consumer Law protects you regardless of contract length. You have cooling-off rights for 14 days, performance guarantees that Sunnova must honour, and access to independent dispute resolution through your state energy ombudsman.

The key to success is written documentation. Telephone calls leave no trace; registered mail creates enforceable proof. Sunnova may resist your cancellation initially, but persistent, documented correspondence supported by your consumer rights under the Australian Consumer Law Act 2010 compels the company to engage seriously with your request.

If Sunnova refuses, your energy ombudsman and the ACCC have the statutory power to investigate, determine your rights and order contract cancellation or refund of penalties. You are not alone in navigating this process. Yafee has supported thousands of Australian homeowners through solar contract cancellations, and we understand the complexities of early exit from long-term energy agreements. Yafee's team can review your contract, assess your legal position and advise on the strongest cancellation strategy for your circumstances. Contact Yafee today to discuss your options and confirm that you are taking the right approach to recover your freedom from Sunnova.