Costs & savings
Can I finance solar on my home loan in South Africa?
Yes — many SA homeowners fund solar through a bond further advance / re-advance, a bank energy loan, or (less often) asset finance. Published product shapes include Standard Bank’s Energy Loan (up to R300 000 over 12–72 months), Nedbank home-loan routes that can include energy (including up to 110% new-loan framing with 10% for energy, plus MFC asset finance up to 96 months), Absa further/re-advances with a published solar concession on qualifying Multiplan structures, and FNB solar via an existing bond (commonly capped near 15% of property value). Rates are personalised — compare total cost of ownership to bill savings, not the pretty monthly debit.
Updated 27 October 2026 · Illustrative ranges — not a formal quote, credit decision or legal advice.
Answer first: If you already have a bond, ask your bank about a further advance or re-advance ring-fenced for energy. If you need a standalone facility, compare an unsecured energy loan against rent-to-own. Cash still wins on total cost when you have the capital. We name published product shapes on the solar finance desk — we do not invent EMIs.
Bond path vs energy loan vs rent-to-own
| Path | Ownership | Typical friction | When it fits |
|---|---|---|---|
| Bond further / re-advance | You, day one | Valuation, turnaround, who is paid | Equity headroom; want lowest rate band |
| Unsecured energy loan (e.g. Standard Bank Energy Loan) | You, day one | Higher rate than bond; quote ≤30 days old | Need speed; bond variation is slow |
| FNB-style solar via existing bond | You, day one | Preferred-supplier rules; staged pay-outs; CoC + insurance | Already bank with FNB on the mortgage |
| Rent-to-own / PPA | Provider until (or unless) paid | Exit on sale; escalation; who holds SSEG | Low cash today; accept higher total cost |
Published product shapes (verify live pages)
- Standard Bank Energy Loan: solar, heat pumps, solar geysers, backup; up to R300 000; 12–72 months; personalised rate (product page cites up to prime + 6.5%); initiation up to R1 207.50; R69/mo service fee; no early-settlement penalty on the published page.
- Nedbank: new home loan up to 110% with extra 10% framed for energy; NedRevolve; readvance/further loan; MFC asset finance up to 96 months.
- Absa: further/re-advances marketed up to about R300 000, with a published −0.20% variable-rate concession on qualifying Multiplan structures (T&Cs apply).
- FNB Solar Energy Loan (via bond): commonly cited cap near 15% of property value, minimum around R50 000; supplier paid in stages; CoC + insurance conditions.
Always open the bank’s live page before you sign. Secondary round-ups go stale.
Cash-flow test that stops bad loans
Separate cash payback (when savings recover capital) from financed cash flow (whether monthly savings beat the debit). A R120 000 hybrid that cuts R1 800/month of energy looks fine on cash maths; a R2 400/month debit is still cash-flow negative. Demand a total-cost sheet with interest, fees and insurance add-ons — payback · monthly savings.
Paper the bank will ask for
- Installer quote ≤30 days old with NRS model, usable battery kWh, and CoC commitment.
- Proof of income / affordability (NCA).
- Sometimes structural roof letter and insurance endorsement plan.
- For bond paths: valuation access and sometimes preferred-supplier forms.
If the bank pays the supplier in stages, align drawdowns with delivery, commissioning and SSEG submission so you are not floating a dead deposit.
Rent-to-own and “free solar” traps
Instalment sales under the National Credit Act should come with a pre-agreement quotation showing total amount payable. Ask who holds municipal SSEG registration, what happens if you sell the house, and the buyout figure in year three. Hide a PPA inside a property sale and you can collapse a bond deal — selling with solar.
Owner checklist
- Get two hardware quotes before you lock finance — finance should follow the kit, not the other way round.
- Compare bond variation timeline vs energy-loan disbursement.
- Never shop on EMI alone; shop on total cost vs your tariff.
- Register warranties and SSEG in the homeowner’s name when you own the kit.
Worked comparison sketch (illustrative, not a quote)
Suppose a R150 000 installed hybrid is expected to cut R2 200/month of grid energy on your tariff after fixed charges. Cash payback sits near 5.7 years before degradation and tariff drift. A 60-month energy loan at a personalised rate that lands a R3 100 debit is cash-flow negative by ~R900/month even though the “payback” slide looked fine. Either raise the deposit, shrink the battery, or wait — do not paper over the gap with export fantasy. Re-run the sketch when July annexures land — monthly savings.
Who should be on the invoice and the SSEG form
If the bank pays the installer, keep the homeowner as the SSEG applicant and warranty registrant whenever the product rules allow it. Provider-owned rent-to-own kits often keep registration in the funder’s name — that is fine until you sell or settle early, then the step-in paperwork decides whether the buyer inherits a clean CoC pack. Put the ownership clause next to the EMI on day one.
Insurance endorsements should list inverter and battery serials once commissioned. Some lenders require proof the home policy covers the system before the final drawdown — solar insurance.
Red flags in finance-tied quotes
- EMI shown without total amount payable / interest estimate.
- “Approved in 24 hours” with no NCA pre-agreement quotation on rent-to-own.
- Hardware brand locked to a single preferred supplier with no second quote allowed.
- Export credits baked into the affordability test before the bi-directional meter exists.
- Battery warranty registered to a dissolved installer’s CC instead of you or the funder of record.
Walk away or rewrite the deal. Related: installer red flags · read a quote.
Total cost of ownership checklist before you sign
- Written quote for hardware + labour + SSEG/meter lines (not “from R…”).
- NCA pre-agreement or bank facility letter with interest estimate / total payable where required.
- Monthly debit vs expected bill reduction on your tariff after fixed charges.
- Who owns the kit and who is on the warranty + SSEG forms.
- Early-settlement and step-in clauses if you sell within five years.
If any row is verbal only, pause. Related: read a quote · selling with solar.
Further advance vs new energy loan — cash-flow sketch
A further advance that lands near bond rate can beat an unsecured energy loan on total interest even when the monthly debit looks similar, because the term and residual differ. The reverse is also true if the further advance forces costly bond-registration friction for a modest R80 000 kit. Ask the bank for a side-by-side total payable, not just “about R2 900/month.” Cash remains the cheapest capital when you have it — finance is a cash-flow tool, not a discount on panels.
Rent-to-own and provider-owned kits need a separate ownership and buy-out read; do not assume the EMI is comparable to a bank facility without the full contract — finance desk.
Quick questions
Do I need perfect credit?
Banks still run affordability under the NCA. Thin credit or high existing debit orders push you toward larger deposits, shorter terms, or waiting to pay cash.
Can the loan include the battery and EV charger?
Often yes on energy-loan product pages that list backup power and sometimes related equipment — confirm the bank’s eligible-kit list and whether the EV circuit is on the same invoice.
Will SARS give me a rebate if I finance?
Personal rooftop rebate history is separate from finance. Read the current SARS note — do not assume a 2023 headline still pays in 2026.