Solar Panels Williams
Williams sits in STC Zone 2 (high) with 5.4 peak sun hours per day. Around 41% of homes in the area have rooftop solar, with 86 CER-registered installations across 1 postcode.
Solar in Williams
5.4 Peak Sun Hours Daily
A 6.6kW system in Williams generates around 35.6 kWh on a clear day and approximately 11,022 kWh per year, enough to cover most of an average household's electricity use.
Zone 2 (high) STC Rebate
A 6.6kW system in Williams qualifies for an estimated $1,581 in federal Small-scale Technology Certificates. A 13.2kW system qualifies for around $3,163.
Western Australia State Solar Rebate
Western Australia offers an additional state rebate of up to $4,400 for eligible solar installations. Combined with federal STCs, total upfront rebates can reduce system costs significantly.
Network Operators: Western Power, Horizon Power
Williams is served by Western Power and Horizon Power, who manage grid connection approvals, solar export limits, and smart meter upgrades for the area.
Williams Solar Quick Facts
- STC ZoneZone 2 (high)
- Peak Sun Hours5.4 hrs/day
- Annual Output per kW1,670 kWh
- STC Rebate (6.6kW)$1,581
- STC Rebate (13.2kW)$3,163
- CER Installations86
- Network OperatorWestern Power
- Suburbs in LGA5
Williams Solar Rebates
Federal STC Rebate
Williams is in STC Zone 2 (high). The federal Small-scale Technology Certificate scheme reduces the upfront cost of every eligible solar installation automatically through your installer.
Western Australia Rebates
Western Australia offers state-level solar and battery incentives for eligible homeowners across Williams and the wider state.
Suburbs in Williams
Our network of CEC-accredited installers services all suburbs across Williams and surrounding areas.
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