Solar in Invercargill
Solar panels in Invercargill
As New Zealand's southernmost city, Invercargill has shorter winter days, but solar still pays off for daytime power users.
Get free quotes in Invercargill →Peak sun hours
3.2 /day
Average daily sunlight available for generation.
Indicative 5kW output
~5,900 kWh/yr
Indicative for a north-facing array (PVGIS-based) — varies with roof and shading.
Population
55,000
Local installers compete for your business.
What solar costs in Invercargill
A typical 5kW system in Invercargill costs around $10,000–$13,000 installed (EECA benchmark of about $2,000/kW), with most NZ homes seeing a 7–10 year payback. With Invercargill's generation of about 5,900 kWh a year from a 5kW array, here's an indicative estimate — adjust it for your usage:
The more you use while the sun shines, the more you save (grid power costs far more than the export rate).
Indicative annual saving
$1,193 /year
Estimated payback
~8.4 years
Indicative estimate only — not a quote. Based on EECA's ~$2,000/kW installed benchmark, a regional generation yield (PVGIS-based), grid power at about 33c/kWh and an export buyback of about 12c/kWh (as at June 2026). Your actual figures depend on your roof, shading, usage pattern, retailer rate and the system you choose. Always confirm with a qualified installer.
Solar installers serving Invercargill
SolarZero
SolarZero provides residential solar and battery storage through a subscription-based energy service agreement with no upfront equipment cost.
Harrisons Solar
SEANZ memberHarrisons Solar provides residential and commercial solar systems, battery storage and EV charging through locally operated franchises across New Zealand.
ZEN Energy Systems
SEANZ memberZEN Energy designs and installs residential, commercial and farm solar power systems with battery storage, hybrid and off-grid options across New Zealand.
Future Energy
SEANZ memberFuture Energy is a 100% New Zealand-owned provider of solar, battery storage, EV charging, heat pump and ventilation solutions for residential, commercial and rural customers.
SolarKing
SolarKing designs and installs commercial, off-grid and home solar energy systems throughout New Zealand.
Tansley Electrical
Tansley Electrical is a lower-South-Island electrical contractor with branches in Dunedin, Queenstown and Invercargill offering grid-tie and stand-alone solar PV systems.
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