Solar panel cost and savings in Porirua, Wellington

Porirua sits at 41.12°S, 174.85°E in Wellington, New Zealand. A typical residential solar system there is sized at 6.2 kW, laid out as 14 panels of 440 W each, mounted at a 40 degree tilt facing the sun's midday path.

Based on PVGIS solar radiation data for Porirua's coordinates, that system produces an estimated 9,114 kWh in its first year. At the local electricity price of NZ$0.40 per kWh (export NZ$0.13 per kWh, daily supply charge NZ$2.50), that generation is worth an estimated NZ$1,661 a year to a household with typical usage patterns for a 3-person home.

Incentives in Porirua

No incentive currently applies to a system installed in Porirua.

Cost and payback

A typical system in Porirua costs an estimated NZ$10,472 to NZ$16,016 installed. With no incentive currently applying, that is also the net cost, and the system pays back in about 8.4 years at today's local electricity price.

These figures assume a typical 3-person household with no pool, electric vehicle or electric heating, and installation in 2026. Incentive schemes change, and one may apply here by the time you install. Electricity prices shown here are set at the country level. Incentive amounts, when present, use each scheme's national or regional scope as noted above, except where an incentive's value is itself calculated from Porirua's local solar zone; only the production and payback figures are calculated specifically for Porirua's coordinates.

Frequently asked questions

Nearby locations

• Lower Hutt
• Upper Hutt
• Wellington
• Paraparaumu
• Levin

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