Solar Sovereign · Philippines

Run the numbers before you go solar.

An honest, unbiased calculator — not run by anyone selling panels. See your savings and payback, and how close you can get to energy sovereignty.

Solar yield: 1284 kWh/kWp/yr
Average monthly bill
Grid rate₱/kWh
Solar system sizekWp
Suggested for this bill: 6 kWp
Daytime use35%
Energy independence
35%
of your load self-supplied on the spot
68%of your bill eliminated · net annual exporter
Payback
3.9years
Return (IRR)
27%
Savings · yr 1
₱45,190
Lifetime ROI
6.2×
Cost / kWh
₱3.84
CO₂ avoided
1,392 kg/yr
20-year cumulative savings
Net after 20 yrs: ₱962,156
Your path to sovereignty
Net metering
35%
indep · 68% bill
payback 3.9y
Self-consume
35%
indep · 35% bill
payback 8.0y
+ Battery
100%
indep · 100% bill
payback 3.7y
Off-grid
100%
indep · 100% bill
payback 4.5y

Independence climbs from 35% (net metering — but it offsets 68% of your bill via export credits) to 100% with storage. At this site's ₱16.3/kWh tariff, battery shows the shortest payback (~3.7y). That ranking flips with your tariff and battery price — trust the numbers above, not rules of thumb.

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Planning estimate. Yield modeled by PVGIS; rates & costs are indicative Philippine benchmarks you can edit. Not financial advice.