Solar panel cost and savings in Karratha, Western Australia

Karratha sits at 20.73°S, 116.87°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 21 degree tilt facing the sun's midday path.

Based on PVGIS solar radiation data for Karratha's coordinates, that system produces an estimated 12,200 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$1,088 a year to a household with typical usage patterns for a 3-person home.

Incentives in Karratha

2 incentives currently apply to a system installed in Karratha:

Cost and payback

Before incentives, a typical system in Karratha costs an estimated A$5,940 to A$9,900 installed. After the incentives above, the estimated net cost is A$3,820 to A$7,780, and the system pays back in about 5.6 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 Karratha's local solar zone, as noted above; only the production and payback figures are calculated specifically for Karratha's coordinates.

Frequently asked questions

Nearby locations

• Roebourne
• Port Hedland
• Tom Price
• Exmouth
• Newman

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