Zero Upfront Cost Solar: What Happened to SolarZero?

Bottom line: SolarZero, the country's largest "zero upfront cost" residential solar provider, was placed into liquidation in November 2024 after its parent BlackRock pulled support, leaving roughly 17,000 Kiwi households with long-term subscription contracts now held by receivers and later transferred to new owners. The short answer to "what happened?" is that the subscription model itself was financially fragile: customers paid a flat monthly fee for 25 years for panels and a battery they never owned, and when the maths stopped working for the parent company, the homeowners were left exposed. The good news is that **a 0% green home loan from Westpac, ANZ, BNZ or Kiwibank is now the smarter zero-upfront alternative**: you own the system outright, your monthly repayment is often lower than a SolarZero fee, and you keep 100% of the savings and export revenue. We'll walk you through exactly what happened, what it means if you're a former SolarZero customer, and how to replicate "zero upfront" without the subscription trap.

This article is written for two groups: Kiwis who were considering a SolarZero-style subscription and want to understand the risks, and existing SolarZero customers trying to make sense of their contract now that the original company has gone. We've kept this calm and practical. There's no point piling on; thousands of households made a reasonable decision based on information available at the time, and now they need useful guidance, not finger-pointing.

What "Zero Upfront Cost Solar" Actually Means

"Zero upfront cost" is one of those phrases that sounds wonderful and hides a lot. In the SolarZero model, you paid nothing on day one, and in exchange you signed a 25-year service agreement to pay a fixed monthly subscription fee. The company owned the panels, the inverter, and the battery; you essentially rented the energy they produced on your roof.

The pitch was elegant: no capital outlay, a predictable monthly bill, maintenance included, and a battery thrown in. For a household nervous about a $20,000 to $35,000 upfront cost, it removed the biggest objection in one stroke. For a generation of Kiwis who watched the global financial crisis and the cost-of-living squeeze, "no debt, no risk" was a compelling story.

The catch was that **you never owned the asset**. At the end of 25 years, the panels were still SolarZero's. You couldn't easily sell your house without dealing with the contract. You couldn't shop around for a better retailer in the same way an owner-occupier can. And you were locked into a long-term agreement with a single private company whose financial position you couldn't see.

What Actually Happened to SolarZero

SolarZero, originally part of Vector and later acquired by global investment giant BlackRock in 2022, was the dominant subscription-solar player in New Zealand with around 17,000 residential customers nationwide. In November 2024, BlackRock withdrew financial support and the New Zealand operating company was placed into liquidation, as reported widely by RNZ, Stuff, and the NZ Herald. Subsequent reporting confirmed receivers were appointed to manage the existing customer contracts and assets.

Several factors drove the collapse, and most of them were structural rather than dramatic:

• The unit economics were tight. A 25-year subscription is essentially a very long-dated bond from the company's perspective. It needs low-cost capital to fund the upfront panel-and-battery cost, and it needs every customer to keep paying for two and a half decades.
• Interest rates rose sharply. Between 2021 and 2024, the OCR went from 0.25% to 5.5% before easing. The cost of financing those 25-year contracts ballooned.
• Hardware prices fell. A new homeowner in 2024 could buy a system outright for materially less than a 2019 customer was contracted to pay over 25 years.
• Regulatory and grid-services revenue underperformed expectations. Part of the model relied on aggregating battery fleets to sell services back to the grid; the NZ market for this is still maturing.

None of this was visible from the kitchen table when a sales rep walked you through the contract. That's the fundamental problem with handing your roof to a third party for 25 years: their financial story is not yours, but it controls your outcome.

Where SolarZero Customers Sit Now

Existing customers' contracts have been transferred through the receivership process, with reporting indicating new ownership taking over the customer book and continuing to honour the subscriptions. If you're a SolarZero customer, the practical reality is:

• Your panels are still on your roof and (in most cases) still generating.
• Your monthly subscription continues with the new contract holder.
• The original 25-year term and conditions broadly still apply, including any exit and buy-out clauses.
• Service and warranty obligations have been picked up, but quality and responsiveness will vary, and customers should keep written records of all communications.

For tailored guidance on your specific situation, including how to read your contract's exit clause and whether buying out the system is sensible, see our dedicated true cost of going solar in NZ pillar guide, which has the latest updates on the SolarZero situation.

The Subscription Model vs. Ownership: The Real Numbers

Let's compare the two ways to get solar with **no money down**: a subscription model (SolarZero-style) versus a 0% green home loan from a major bank.

A typical 6 kW solar + 10 kWh battery system in NZ retails for somewhere around $22,000 to $30,000 installed in 2025, depending on brand and region. The precise figure varies; check our current cost per watt in NZ guide for live numbers.

Under a subscription:

• Monthly fee: typically $70 to $150 depending on system size and year of contract.
• Term: 25 years.
• Total paid over the term: roughly $21,000 to $45,000.
• Ownership at end: none.
• Export revenue (the cash a retailer pays you for power you push to the grid): often captured by the subscription provider, not the homeowner.
• Maintenance: included.

Under a 0% green home loan (Westpac Greater Choices, ANZ Good Energy, BNZ Green, Kiwibank Sustainable Energy):

• Loan amount: up to $80,000 at 0% for typically the first 3 to 5 years (terms vary; check our Green Finance Qualifier Tool).
• Monthly repayment over 5 years on a $25,000 system: roughly $415 if structured as a pure 0% loan, often reduced to far less when topped up over a longer mortgage term.
• Term flexible: pay it off as fast as you can, or roll into your mortgage.
• Ownership at the end: yours, outright.
• Export revenue: 100% yours, paid by your retailer.
• Maintenance: your responsibility, but panel warranties (typically 25 years) and inverter warranties (typically 10 to 12 years) cover the major components.

The difference is stark. With ownership, every dollar of bill savings and every cent of export revenue lands in your account. Across 25 years, that's typically tens of thousands of dollars the subscription customer never sees.

What This Means for You

The ROI Pragmatist

If you're focused on dollars and years to break even, the subscription model rarely beats ownership. The numbers consistently favour buying outright (or on a green loan) once you account for export buy-backs and bill offsets. Our are solar panels worth it in NZ guide goes through the calculation in detail. The SolarZero collapse is also a useful reminder: a 25-year fixed obligation to a private company carries counterparty risk you don't carry when you own the gear.

The Tech-Savvy Optimiser

Subscription models typically restrict your ability to swap retailers freely, integrate the battery with dynamic tariffs (like Octopus Energy NZ's plans), or upgrade hardware as it improves. If you want to time-shift load, arbitrage off-peak charging, and tinker with EV smart charging, you need ownership. The subscription provider's optimisation goals are not yours; they're optimising the fleet, not your house.

The Eco-Conscious Family

You might be drawn to subscriptions because they feel "low risk" and ethical. The SolarZero outcome shows that subscription is not the same as low risk. It just moves the risk somewhere less visible. Ownership, supported by a 0% green loan, is both lower-risk and higher-impact: you control your generation, you keep your export revenue, and you can invest those savings in the next thing (insulation, an EV, a heat pump hot water cylinder).

Common Pitfalls and What Installers Won't Tell You

The SolarZero story has lessons that apply to any long-term solar contract being offered to a Kiwi household. Watch for these:

• "Free" is never free. If a salesperson uses the word "free", ask precisely who owns the equipment, who keeps the export credit, and what happens at year 25.
• Contracts longer than your house plans. Most New Zealanders move house every 7 to 10 years. A 25-year solar contract has to be transferable, and transferability is rarely as smooth as the brochure suggests.
• Exit clauses with sting. Subscription contracts often include buy-out figures that decline only slowly, leaving homeowners locked in even when better options emerge.
• Export buy-back captured by the provider. In most subscription deals, the credit your retailer pays for exported energy flows to the company, not you. That's a meaningful amount of money over 25 years.
• Counterparty risk is real. SolarZero was backed by BlackRock, one of the world's largest asset managers. If even that didn't guarantee continuity, the lesson is clear: a 25-year fixed dependency on a private company is a structural risk, not a "set and forget" arrangement.
• The 0% green loan exists. Many sales conversations don't mention that the major banks offer 0% top-ups specifically for solar. Always check this before signing any long-term subscription. Start with our Green Finance Qualifier.

How to Replicate "Zero Upfront" Without the Subscription Trap

If the appeal of SolarZero was "no money down", the great news is that you can get the same outcome with much better economics by using a green home loan.

The major NZ banks all offer some version of a 0% or low-interest green top-up:

• Westpac Greater Choices Home Loan: up to $50,000 at 0% for 5 years for qualifying energy-efficient upgrades, including solar. See our dedicated Westpac Greater Choices guide.
• ANZ Good Energy Home Loan: 1% for 3 years on top-ups up to $80,000.
• BNZ Green Home Loan: low fixed rate top-up for solar and other energy upgrades.
• Kiwibank Sustainable Energy Loan: similar structure for existing mortgage customers.

Rates, eligibility and caps change. Always check the Green Finance Qualifier Tool for current detail rather than relying on a number you read in a forum.

The mechanics are simple: the bank tops up your existing mortgage by the cost of the solar system, you draw down on it to pay your installer, and you repay it on terms much friendlier than the long-dated subscription. The result is that you own the system outright, you keep all the savings, and your monthly outflow is often lower than what a subscription would have cost you.

If You're a Former SolarZero Customer: Practical Next Steps

If your panels were installed under SolarZero, here's a calm checklist to work through:

• Find your contract. Locate the original signed agreement. The exit clause and buy-out figures are what matter most.
• Confirm who now holds the contract. Communications from receivers or the new contract owner should clarify this. Keep everything in writing.
• Check your system is still working. Log in to whatever monitoring app you were set up with. If it's offline, request support in writing from the current contract holder.
• Ask for a buy-out quote. You're entitled to know what it would cost to exit the contract and own the system outright. The number may be steep, but it's the starting point for any decision.
• Don't sign anything new under pressure. If a new operator offers you "improved terms", take it away, read it, and get independent advice. Consumer NZ has been actively covering this area.
• Compare with a fresh install. Sometimes the cleanest path is to buy out (or wait out) the existing contract and install a fresh, owned system. Get quotes to understand the alternative.

If you're weighing up a buy-out versus a new system, getting three independent quotes from vetted installers gives you the numbers you need to decide.

Frequently Asked Questions

Is SolarZero still operating?

The original SolarZero entity was placed into liquidation in November 2024 after BlackRock withdrew support. The customer contracts and assets have been managed through receivership and transferred to new ownership. Customers' panels remain in place and subscriptions continue, but the original company is gone.

What happens to my SolarZero panels and battery?

They remain on your roof and continue to operate. Ownership of the equipment sits with the current contract holder (the entity that took over from the receivers), not with you. Your obligations under the original 25-year subscription continue.

Can I buy out my SolarZero contract and own the system?

Most SolarZero contracts include a buy-out clause. You're entitled to request the current buy-out figure from the contract holder. Whether buying out is worthwhile depends on the cost relative to a fresh install today. Get the number, get fresh quotes, and compare.

Is "zero upfront cost solar" still available in NZ?

Yes, but the smart way to do it now is via a 0% green home loan from Westpac, ANZ, BNZ or Kiwibank. You get the same "no money down" outcome and you own the system. Some installers may offer other finance arrangements; treat any 25-year subscription model with significant scepticism after the SolarZero outcome.

Why did SolarZero fail when it had 17,000 customers?

Customer numbers don't make a business profitable; unit economics do. Rising interest rates increased the cost of funding 25-year contracts, falling hardware prices made new contracts less attractive, and grid-services revenue underperformed. When BlackRock decided the returns weren't there, it withdrew support.

Will my home insurance or mortgage be affected?

Generally no, but if you're selling, the contract needs to be discussed with buyers and the contract holder's transfer process needs to be followed. If you're refinancing or insuring, mention the rooftop system to your provider as a matter of course.

Is a green home loan better than a subscription?

For the vast majority of NZ homeowners, yes. You own the system, keep the export revenue, can switch retailers, and your monthly cost is usually lower. The only scenario where a subscription might compete is if you genuinely cannot access any form of mortgage top-up, and even then we'd suggest reviewing the maths carefully.

How do I check if I qualify for a 0% green loan?

Most major banks require an existing mortgage and reasonable equity. Use the Green Finance Qualifier Tool for an indicative answer in a couple of minutes, then talk to your bank.

Where to Go From Here

If you're considering solar for the first time, skip the subscription model entirely and go straight to the green-loan path. Start with the Green Finance Qualifier to confirm eligibility, then read our are solar panels worth it in NZ guide and the true cost of going solar pillar for the bigger picture.

If you're a former SolarZero customer, breathe out. Your panels are still working, your contract has been transferred, and you have options. Work through the practical checklist above, request your buy-out number, and compare it honestly against a fresh system. Whichever path makes financial sense, the goal is the same: get to a place where the energy hitting your roof is working for your family, not someone else's balance sheet.