Solar panel cost and savings in Northam, Western Australia
Northam sits at 31.66°S, 116.65°E in Western Australia, Australia. A typical residential solar system there is sized at 6.6 kW, laid out as 15 panels of 440 W each, mounted at a 32 degree tilt facing the sun's midday path.
Based on PVGIS solar radiation data for Northam's coordinates, that system produces an estimated 11,126 kWh in its first year. At the local electricity price of A$0.32 per kWh (export A$0.05 per kWh, daily supply charge A$1.10), that generation is worth an estimated A$1,012 a year to a household with typical usage patterns for a 3-person home.
Get a solar estimate for NorthamIncentives in Northam
2 incentives currently apply to a system installed in Northam:
Cost and payback
Before incentives, a typical system in Northam costs an estimated A$5,940 to A$9,900 installed. After the incentives above, the estimated net cost is A$4,140 to A$8,100, and the system pays back in about 6.3 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 values are provisional estimates, last verified on the date shown against each scheme, and can change. Electricity prices and incentive amounts shown here are set at the country level except where an incentive's value is itself calculated from Northam's local solar zone, as noted above; only the production and payback figures are calculated specifically for Northam's coordinates.
Frequently asked questions
How much solar power can a typical home in Northam generate?
A typical 6.6 kW system (15 panels) in Northam produces an estimated 11,126 kWh a year, based on PVGIS solar radiation data for its coordinates.
What does solar cost in Northam after incentives?
Before incentives, a typical system costs A$5,940 to A$9,900 installed. After the incentives listed on this page, the estimated net cost is A$4,140 to A$8,100.
How long does solar take to pay back in Northam?
At local electricity prices, a typical system in Northam pays back in about 6.3 years, with estimated annual savings of A$1,012.
What solar incentives apply in Northam?
Small-scale Technology Certificates (STCs), Federal battery rebate estimate. Each is detailed above with its estimated value, eligibility and whether it is a national or local scheme.
Nearby locations
All solar pages in Western Australia · All solar pages in Australia