Williamstown is located in Victoria about 8.6 km south west of Melbourne and 1194.1 km south west of Lyra. Williamstown has a latitude of 37.9 degrees South.
How much is the rebate for solar panels in Williamstown, VIC
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 4 which has a rating of 1.185.
This means a 10 kW solar system installed in Williamstown during 2024 would give you 82 ST Certificates worth $3271.80 (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 | 24 | $957.60 |
| 4 kW | 33 | $1316.70 |
| 5 kW | 41 | $1635.90 |
| 6 kW | 49 | $1955.10 |
| 6.6 kW | 54 | $2154.60 |
| 10 kW | 82 | $3271.80 |
| 12 kW | 99 | $3950.10 |
| 15 kW | 124 | $4947.60 |
Here's about how much Solar Energy falls on Williamstown by month. The maximum is 6.75 kWh/M2 in January. The minimum is 1.74 kWh/M2 during June.
| Month | Energy MJ/M2 | kWh/M2 |
|---|---|---|
| Jan | 24.31 | 6.75 |
| Feb | 21.10 | 5.86 |
| Mar | 16.39 | 4.55 |
| Apr | 11.24 | 3.12 |
| May | 7.69 | 2.14 |
| Jun | 6.28 | 1.74 |
| Jul | 6.99 | 1.94 |
| Aug | 9.87 | 2.74 |
| Sep | 13.41 | 3.72 |
| Oct | 17.91 | 4.98 |
| Nov | 21.31 | 5.92 |
| Dec | 24.03 | 6.68 |
Figures from the weather station at Melbourne, which is approximately 9.5 km from Williamstown.
Williamstown, VIC is in the 3016 postcode area which has around 926 solar installations under 10 kW and about 989 total installations including large scale solar. As a comparison there are roughly 148143 small solar installations in greater Brisbane.
With an estimated 5866 households in the 3016 area that gives a small solar installation (average size around 3.69 kW) for about every 6.3 dwellings.
Here are 23 solar installers near to or in Williamstown.
| Name | Distance | Details |
|---|---|---|
| Prime Energy solar and electrical | 2.1km | Prime Energy solar and electrical is based in Newport, VIC. |
| Anova Energy | 3.8km | Anova Energy is based in Port Melbourne, VIC. |
| Bright Source | 4.1km | Bright Source is based in Port Melbourne, VIC. |
| Energy Stuff | 4.2km | Energy Stuff is based in Altona North, VIC. |
| Diaz Solar Group | 4.2km | Diaz Solar Group is based in Elwood, VIC. |
| Energis | 5.1km | Energis is based in Port Melbourne, VIC. |
| Unlimited Solar Energy | 5.4km | Unlimited Solar Energy is based in Port Melbourne, VIC. |
| DPA Solar | 5.9km | DPA Solar is based in Port Melbourne, VIC. |
| CLOUD SOLAR | 6.7km | CLOUD SOLAR is based in South Melbourne, VIC. |
| Discover Solar | 6.9km | Discover Solar is based in Sydney, NSW. |
| Sapphire Solar | 7.1km | Sapphire Solar is based in Docklands, VIC. |
| Titan Energy | 7.3km | Titan Energy is based in South Melbourne, VIC. |
| Elite Smart Energy Solutions | 7.4km | Elite Smart Energy Solutions is based in South Melbourne, VIC. |
| Kelly Solar | 7.4km | Kelly Solar is based in Sunshine West, VIC. |
| T3SOL | 7.5km | T3SOL is based in Docklands, VIC. |
| Priority One Solar & Electrical | 7.5km | Priority One Solar & Electrical is based in St Kilda West, VIC. |
| UNIfied Energy Services | 7.5km | UNIfied Energy Services is based in Southbank, VIC. |
| Green Value Solar | 7.5km | Green Value Solar is based in Docklands, VIC. |
| SOLARfied | 7.7km | SOLARfied is based in Southbank, VIC. |
| Solargain Melbourne | 7.7km | Solargain Melbourne is based in West Melbourne, VIC. |
| The Solar Power Co. | 7.8km | The Solar Power Co. is based in Melbourne, VIC. |
| Eco Relief | 7.8km | Eco Relief is based in Melbourne, VIC. |
| ICONIC SOLAR | 7.8km | ICONIC SOLAR is based in Melbourne, VIC. |
Solar Panel Businesses Near to Williamstown
Sunlight Hours in Williamstown
The maximum hours between sunrise and sunset occur in January at about 14 hours 46 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 37.9° 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 Williamsdale, ACT, which is about 456.2 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.