Solar potential in Portland
Here's what panels on a Portland roof make, month by month, and what that could mean for your bill.
Updated November 2026 · Litmec Electrical, REC-10383
A 6.6 kW north-facing solar system in Portland makes about 9,300 kWh a year, about 2% less than Melbourne: around 35 kWh a day in midsummer and 14 kWh a day in June. East or west-facing roofs make about 85% of that.
On a $450 quarterly bill, that could save roughly $550–800 a year. Portland ranks 339th of the 429 places across Victoria we've modelled for solar output.
Solar output in Portland
- Output per kW, north
- 1,405 kWh/yr
- Output per kW, east / west
- 1,190 / 1,204
- Compared with Melbourne
- -2%
- Best month, per kW
- 5.4 kWh/day (Jan)
- Worst month, per kW
- 2.1 kWh/day (Jun)
- Council
- Glenelg Shire
- Postcode
- 3305
- Region
- Western District
| System | North-facing, kWh/yr | East-facing, kWh/yr | West-facing, kWh/yr | June, kWh/day |
|---|---|---|---|---|
| 6.6 kW | 9,274 | 7,853 | 7,948 | 14.0 |
| 8 kW | 11,241 | 9,519 | 9,634 | 17.0 |
| 10 kW | 14,051 | 11,899 | 12,043 | 21.2 |
| 13.2 kW | 18,547 | 15,707 | 15,897 | 28.0 |
These figures use satellite and weather data for Portland from 2005 to 2023 and already allow for heat, wiring and inverter losses. They don't know your roof: shade, pitch and the faces available decide the real number. Try the roof calculator for your own direction and pitch.
Solar in the Western District
South-west Victoria is cooler and cloudier in winter than Melbourne, but long spring and summer days still give good yearly output. Many homes sit on bigger blocks or farms, and properties a long way down rural lines can have tighter export limits, which makes using solar on site, or storing it, more valuable.
The Western District is on the Powercor network. Your distributor sets how much you can export and approves the connection; we apply for you before anything is ordered.
Salt air near the coast
Parts of Portland are close to the water. Near the coast we specify panels certified for salt-mist exposure (IEC 61701) and corrosion-resistant mounting and fasteners, because standard fittings corrode faster in salt air.
Older switchboards
A lot of older housing in Portland still has ceramic fuses, no safety switches or an old fibrous switchboard backing, and those have to be fixed before solar connects. We're electricians, so the switchboard is checked and any work priced in the quote. Check your switchboard.
What solar could save in Portland
For a home paying $450 a quarter with someone in some days, the calculator suggests a 6.6 kW system saving about $550–800 a year, or $1,000–1,400 with a 10 kWh battery. Your own bill gives a better answer: use the calculator below.
How it works with Litmec
Litmec Electrical is a registered electrical contractor based in Newport, Melbourne, and sells solar and batteries across Victoria. For homes in Portland we start with a free assessment: your bills, photos of your roof and switchboard, and satellite imagery. You get a written design and quote, we apply to your distributor to connect, and an accredited installer checks the site before anything is installed. Your contract and the 5-year whole-of-system warranty are with Litmec. Not sure what size you need? Try the system finder.
Nearby
Check your bill: solar for your Portland home
A few quick questions, using Portland's solar output. See the system that fits and what it could save, then get a free design and quote.
Building a new home? Skip the bill and send us your plans
Solar in Portland: questions
How much power do solar panels make in Portland?
Each kW of north-facing panels in Portland makes about 1,405 kWh a year, so a 6.6 kW system makes about 9,300 kWh a year, or 25 kWh a day on average. East or west-facing panels make about 85% of that. (PVGIS satellite data.)
Is solar better in Portland than in Melbourne?
In the model, panels in Portland make about 2% less than Melbourne. Portland ranks 339th of the 429 Victorian locations we've modelled. Roof direction and shade still matter more than location: east or west panels cost about 15%, and a shaded roof can cost more.
Is solar worth it in Portland?
For most owner-occupied homes with a typical bill, yes. On a $450 quarterly bill with someone home some days, a 6.6 kW system in Portland could save roughly $550 to $800 a year. Bigger bills, electric heating and daytime loads save more.
Does Litmec install solar in Portland?
Yes. We sell, design and warrant solar and battery systems across Victoria, including Portland. We start with a free assessment from your bills and roof photos, and an accredited installer checks the site before installation. Your contract and 5-year warranty are with Litmec Electrical.
Who is the electricity distributor in Portland?
The Western District is on the Powercor network. The distributor sets export limits and approves the connection; we apply on your behalf before the system is ordered.
See what your Portland roof can do
Free assessment from a registered electrical contractor: your bill, your roof and your switchboard, with a written design and quote.