Calculators

Perform the calculation you need

Your location & roof

Where is the property, and which way does the roof face?

State

Region

Postcode optional

Roof orientation0° N

Drag the dial, use the arrow keys, or pick a direction. 0° is north.

Roof angle20°

Most Sydney tiled roofs are 20–25°. Flat and low-pitch roofs are usually tilted on frames.

Power supply

Single phase usually limits the inverter to 5–10kW and exports to 5kW.

Your roof

Roof material

Orientation, roof angle and phase are set in Your location & roof above — the score uses the real irradiance for that direction and angle.

Clear roof area on that section40 m²

Excluding vents, skylights, aerials and the 20cm edge setback.

Shading between 9am and 3pmNone

Also true of this property

Roof is 25+ years oldMay need work first

Heritage or strataApproval needed

Two or more usable facesSpreads generation

Roof suitability

86/ 100

Good roof for solar. Nothing here would stop an install.

This roof across the year

Panels that fit

at 440W

System size

Expected yield

kWh / yr

Suitable

What our installer will check on site

Book the in-home assessment →Call 0421 458 217

Step 2 · Free full quote

Get a proper quote from our team

Send your estimate and a few details — we prepare a real, itemised quote for your property. Free, no obligation.

Estimates only, for planning — your actual result depends on your tariff, roof, usage and the products chosen. Rebate and tariff figures are current as of September 2026: the federal Cheaper Home Batteries Program (tiered per-kWh via STCs) and the STC discount on new solar step down on a set schedule, the NSW PDRS household battery install incentive is suspended, and we confirm the exact value at quote. Verify current values with the Clean Energy Regulator and NSW Government.