Pricing calculator
Budget for your solar engineering.
Put structural engineering in your proposal or project budget early. Estimate the services you need, or use the price tables below.
Installers use system size; building owners use roof area. These are size-band estimates for selected services, with the scope and any additional work confirmed before you proceed.
1 / Who is the estimate for?
3 / Buildings on site
Enter your project sizes to generate an estimate.
What to allow for
- Prices exclude GST.
- Roof Area Inspection excludes EWP hire (charged at cost + 10% if required).
- Includes up to 100km return travel from nearest Gamcorp base.
- Additional travel charged at cost + 10%.
- A “unique building” is defined as one having the same construction and dimensions.
Price reference
Solar Ready price tables
Use these tables to include structural engineering in your early budget. They use the same rates as the calculator; the final quote confirms the selected services and scope.
Installer pricing by system size
Rates per building, for the services selected.
On smaller screens, swipe across the table to view all size bands.
| Service | Up to 99 kW | Over 99 to 199 kW | Over 199 to 299 kW | Over 299 to 499 kW |
|---|---|---|---|---|
| Roof inspection | $950 | $1,650 | $1,650 | $2,600 |
| Structural roof assessment certification | $950 | $1,500 | $2,100 | $2,800 |
| Site-specific array frame certification | $1,100 | $1,100 | $1,900 | $1,900 |
| Seismic assessment of the solar arrayRequires array frame certification | $600 | $600 | $900 | $900 |
| Pallet-load assessment | $1,000 | $1,000 | $2,000 | $3,000 |
Design compliance certification: $500 once per site when selected with another service.
Building-owner pricing by roof area
Rates per building, for the services selected.
On smaller screens, swipe across the table to view all size bands.
| Service | Up to 499 m² | Over 499 to 999 m² | Over 999 to 1999 m² | Over 1999 to 2499 m² |
|---|---|---|---|---|
| Roof inspection | $950 | $1,650 | $1,650 | $2,600 |
| Structural roof assessment certification | $950 | $1,500 | $2,100 | $2,800 |
Design compliance certification: $500 once per site when selected with another service.
Allow for the project details
- Prices exclude GST. Select only the services your project needs.
- Inspection excludes elevated work platform hire, charged at cost plus 10% when required.
- Up to 100 km return travel from the nearest Gamcorp base is included; additional travel is charged at cost plus 10%.
- Projects above 499 kW or 2,499 m² per building need a separate quote.
- Agree strengthening, design changes, further visits and any completed-installation checks separately.