Williamstown is located in Western Australia about 550.6 km east of Perth and 2885.5 km west of Kurrowah. Williamstown has a latitude of 30.7 degrees South.
How much is the rebate for solar panels in Williamstown, WA
The Australian Federal Government has incentives for Williamstown homeowners to install solar. They give "STCs" (small-scale technology certificates) to people who add a solar power system to their home.
The government divides the country into "Zones" depending on the rated solar potential. You get more support or less depending on your zone. Williamstown is in Climate Zone 3 which has a rating of 1.382.
This means a 10 kW solar system installed in Williamstown during 2024 would give you 96 ST Certificates worth $3830.40 (at an STC price of $39.90 each).
If you wait until 2025 for your panels the rebate in Williamstown will be reduced. It goes down every year.
Solar Power Rebate for Williamstown
| System Size | ST Certs | Value |
|---|---|---|
| 3 kW | 29 | $1157.10 |
| 4 kW | 38 | $1516.20 |
| 5 kW | 48 | $1915.20 |
| 6 kW | 58 | $2314.20 |
| 6.6 kW | 63 | $2513.70 |
| 10 kW | 96 | $3830.40 |
| 12 kW | 116 | $4628.40 |
| 15 kW | 145 | $5785.50 |
Here's about how much Solar Energy falls on Williamstown by month. The maximum is 8.11 kWh/M2 in December. The minimum is 2.70 kWh/M2 during June.
| Month | Energy MJ/M2 | kWh/M2 |
|---|---|---|
| Jan | 28.55 | 7.93 |
| Feb | 25.31 | 7.03 |
| Mar | 20.67 | 5.74 |
| Apr | 15.47 | 4.30 |
| May | 11.67 | 3.24 |
| Jun | 9.73 | 2.70 |
| Jul | 10.28 | 2.86 |
| Aug | 13.01 | 3.61 |
| Sep | 17.35 | 4.82 |
| Oct | 22.79 | 6.33 |
| Nov | 26.35 | 7.32 |
| Dec | 29.21 | 8.11 |
Figures from the weather station at Muresk Institute, which is approximately 469.9 km from Williamstown.
Williamstown, WA is in the 6430 postcode area which has around 1661 solar installations under 10 kW and about 1758 total installations including large scale solar. As a comparison there are roughly 148143 small solar installations in greater Brisbane.
With an estimated 10052 households in the 6430 area that gives a small solar installation (average size around 4.51 kW) for about every 6.1 dwellings.
Here are 19 solar installers in or near toWilliamstown. There are also a few further away.
| Name | Distance | Details |
|---|---|---|
| Tjintu Energy | 4.2km | Tjintu Energy is based in Boulder, WA. |
| Outback Energy Supply | 4.2km | Outback Energy Supply is based in Boulder, WA. |
| CDA Air and Solar | 466.0km | CDA Air and Solar is based in York, WA. |
| CDA Air & Solar | 468.6km | CDA Air & Solar is based in Northam, WA. |
| Swan Solar | 501.2km | Swan Solar is based in Wooroloo, WA. |
| Solar Advantage | 522.0km | Solar Advantage is based in Mundaring, WA. |
| Solar Gate Solutions WA | 523.8km | Solar Gate Solutions WA is based in Parkerville, WA. |
| Lees Electrical | 524.0km | Lees Electrical is based in Lower Chittering, WA. |
| Quest Electrical and Solar | 530.7km | Quest Electrical and Solar is based in Bellevue, WA. |
| Solahart Midland and Avon Valley | 533.2km | Solahart Midland and Avon Valley is based in Midland, WA. |
| Solar myWorld | 533.3km | Solar myWorld is based in Midvale, WA. |
| Residential Solar Panel Installation Midland | 534.8km | Residential Solar Panel Installation Midland is based in Midland, WA. |
| Switched On Solar | 536.3km | Switched On Solar is based in Henley Brook, WA. |
| Sunpark Solar | 536.8km | Sunpark Solar is based in Ellenbrook, WA. |
| Velasquez Solar Suppliers | 536.8km | Velasquez Solar Suppliers is based in High Wycombe, WA. |
| 3 Phase Solar | 537.0km | 3 Phase Solar is based in Sunbury, VIC. |
| PV Energy Group | 537.1km | PV Energy Group is based in Ellenbrook, WA. |
| WA Solar Recycling | 537.2km | WA Solar Recycling is based in Wattle Grove, WA. |
| Herrera Solar Group | 537.5km | Herrera Solar Group is based in High Wycombe, WA. |
Solar Panel Businesses Near to Williamstown
Sunlight Hours in Williamstown
The maximum hours between sunrise and sunset occur in January at about 14 hours 7 minutes. Your panels will get plenty of sunlight.
Figures calculated for 15th of the month.
Solar Panel Angle in Williamstown
It is generally recommended to angle your panels at about 30.7° from the horizontal in this area - facing north, although your power usage patterns could alter this - if you are out all day.
Next, after Williamstown, is to look at if solar power is worth it in Williamstown, VIC, which is about 2282.8 kms away.
The data used for this page was sourced from Australian Government Clean Energy Regulator, Australian Bureau of Meterology, Australian Photovoltanic Institute, Clean Energy Council, Government Solar Incentives sites, open source Australian postcode data and other online sources.