Solar panel cost and savings in Vigan, Ilocos Sur
Vigan sits at 17.57°N, 120.39°E in Ilocos Sur, Philippines. A typical residential solar system there is sized at 4.8 kW, laid out as 11 panels of 440 W each, mounted at a 18 degree tilt facing the sun's midday path.
Based on PVGIS solar radiation data for Vigan's coordinates, that system produces an estimated 7,315 kWh in its first year. At the local electricity price of ₱14.78 per kWh (export ₱9.60 per kWh, daily supply charge ₱4.00), that generation is worth an estimated ₱72,687 a year to a household with typical usage patterns for a 3-person home.
Get a solar estimate for your home in ViganIncentives in Vigan
1 incentive currently applies to a system installed in Vigan:
Cost and payback
Before incentives, a typical system in Vigan costs an estimated ₱266,200 to ₱363,000 installed. After the incentives above, the estimated net cost is ₱266,200 to ₱363,000, and the system pays back in about 4.5 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 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 Vigan's local solar zone; only the production and payback figures are calculated specifically for Vigan's coordinates. The Philippines compensates exports at the utility's Blended Generation Cost, meaningfully below the import price.
Frequently asked questions
How much solar power can a typical home in Vigan generate?
A typical 4.8 kW system (11 panels) in Vigan produces an estimated 7,315 kWh a year, based on PVGIS solar radiation data for its coordinates.
What does solar cost in Vigan after incentives?
Before incentives, a typical system costs ₱266,200 to ₱363,000 installed. After the incentives listed on this page, the estimated net cost is ₱266,200 to ₱363,000.
How long does solar take to pay back in Vigan?
At local electricity prices, a typical system in Vigan pays back in about 4.5 years, with estimated annual savings of ₱72,687.
What solar incentives apply in Vigan?
Renewable Energy Act VAT Rebate on RE Equipment. Each is detailed above with its estimated value, eligibility and whether it is a national or local scheme.
Nearby locations
All solar pages in Ilocos Sur · All solar pages in Philippines