Skip to main content

Solar and electricity calculators

Choose a focused Philippine planning tool with transparent assumptions, ranges, and limitations.

All tools Solar decision tools Electricity cost tools

Choose a practical calculator

Choose a tool and follow the clear inputs, estimate, and assumptions.

Review methodology
Reviewed

Electricity bill calculator

Estimate a Philippine electricity bill from meter readings and charges.

Open calculator
Reviewed

Appliance electricity cost

Calculate daily, monthly, and annual appliance running costs.

Open calculator
Reviewed

Air-conditioner cost calculator

Estimate air-conditioner energy use under practical usage scenarios.

Open calculator
Reviewed

Solar savings calculator

Estimate system size, installation range, savings, and payback for a Philippine property.

Open calculator
Reviewed

Solar system size calculator

Estimate recommended kW, panel count, generation, roof area, and cost.

Open calculator
Reviewed

Solar payback and ROI

Compare cash and financing-adjusted solar payback.

Open calculator
Reviewed

Solar battery size calculator

Estimate usable and nominal battery capacity, inverter size, runtime, and budget.

Open calculator
Reviewed

Panel count and roof area

Check how many panels fit and whether the roof is large enough.

Open calculator

Solar tool publishing standards

SolarGabay now keeps only calculators that directly support electricity understanding and solar decisions. Unrelated business, farming, and construction tools have been removed.

Start solar assessment