Solar panel cost and savings in Port St. Johns, Eastern Cape
Port St. Johns sits at 31.63°S, 29.53°E in Eastern Cape, South Africa. A typical residential solar system there is sized at 4.8 kW, laid out as 11 panels of 440 W each, mounted at a 32 degree tilt facing the sun's midday path.
Based on PVGIS solar radiation data for Port St. Johns's coordinates, that system produces an estimated 7,014 kWh in its first year. At the local electricity price of ZAR 3.80 per kWh (export ZAR 0.00 per kWh, daily supply charge ZAR 22.00), that generation is worth an estimated ZAR 12,635 a year to a household with typical usage patterns for a 3-person home.
Get a solar estimate for your home in Port St. JohnsIncentives in Port St. Johns
No incentive currently applies to a system installed in Port St. Johns.
Cost and payback
A typical system in Port St. Johns costs an estimated ZAR 62,920 to ZAR 91,960 installed. With no incentive currently applying, that is also the net cost, and the system pays back in about 6.4 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 Port St. Johns's local solar zone; only the production and payback figures are calculated specifically for Port St. Johns's coordinates. Most South African utilities pay nothing for exported solar, so the rate shown is 0. A few municipalities offer small credits.
Frequently asked questions
How much solar power can a typical home in Port St. Johns generate?
A typical 4.8 kW system (11 panels) in Port St. Johns produces an estimated 7,014 kWh a year, based on PVGIS solar radiation data for its coordinates.
What does solar cost in Port St. Johns?
A typical system costs ZAR 62,920 to ZAR 91,960 installed. No incentive currently applies, so that is also the estimated net cost.
How long does solar take to pay back in Port St. Johns?
At local electricity prices, a typical system in Port St. Johns pays back in about 6.4 years, with estimated annual savings of ZAR 12,635.
Nearby locations
All solar pages in Eastern Cape · All solar pages in South Africa