Solar potential in Walwa
What solar would make on your Walwa roof, what it could save, and what to check before you buy.
Updated November 2026 · Litmec Electrical, REC-10383
A 6.6 kW north-facing solar system in Walwa makes about 9,900 kWh a year, about 4% more than Melbourne: around 36 kWh a day in midsummer and 16 kWh a day in June. East or west-facing roofs make about 87% of that.
On a $450 quarterly bill, that could save roughly $600–800 a year. Walwa ranks 90th of the 429 places across Victoria we've modelled for solar output.
Solar output in Walwa
- Output per kW, north
- 1,501 kWh/yr
- Output per kW, east / west
- 1,306 / 1,260
- Compared with Melbourne
- +4%
- Best month, per kW
- 5.4 kWh/day (Dec)
- Worst month, per kW
- 2.4 kWh/day (Jun)
- Council
- Towong Shire
- Postcode
- 3709
- Region
- North East Victoria
| System | North-facing, kWh/yr | East-facing, kWh/yr | West-facing, kWh/yr | June, kWh/day |
|---|---|---|---|---|
| 6.6 kW | 9,907 | 8,622 | 8,319 | 15.8 |
| 8 kW | 12,009 | 10,450 | 10,083 | 19.2 |
| 10 kW | 15,011 | 13,063 | 12,604 | 24.0 |
| 13.2 kW | 19,815 | 17,243 | 16,637 | 31.7 |
These figures use satellite and weather data for Walwa 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 North East Victoria
The north-east combines hot Murray Valley summers around Wodonga and Wangaratta with cold, frosty alpine valleys around Bright and Mount Beauty. Output is strong across the region, many homes are on acreage, and storms and bushfires make power outages a real concern for some properties.
North East Victoria is on the AusNet Services network. Your distributor sets how much you can export and approves the connection; we apply for you before anything is ordered.
Acreage, sheds and pumps
Around Walwa, many properties have sheds, bores or pumps and long distances between buildings. Panels can go on a shed roof or a ground frame, cable runs are designed to keep voltage drop within the wiring rules, and daytime pumping is one of the cheapest ways to use your own solar. Some rural lines (including SWER lines) have tight export limits, which we confirm before you commit. Solar for rural properties.
Backup when the power goes out
Properties around Walwa can be on long rural lines that are exposed to storms and bushfire. Standard solar switches off in a blackout; a battery with backup wiring keeps the fridge, lights, internet and water pump running. How battery backup works.
What solar could save in Walwa
For a home paying $450 a quarter with someone in some days, the calculator suggests a 6.6 kW system saving about $600–800 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 Walwa 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 Walwa home
A few quick questions, using Walwa'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 Walwa: questions
How much power do solar panels make in Walwa?
Each kW of north-facing panels in Walwa makes about 1,501 kWh a year, so a 6.6 kW system makes about 9,900 kWh a year, or 27 kWh a day on average. East or west-facing panels make about 87% of that. (PVGIS satellite data.)
Is solar better in Walwa than in Melbourne?
In the model, panels in Walwa make about 4% more than Melbourne. Walwa ranks 90th 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 Walwa?
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 Walwa could save roughly $600 to $800 a year. Bigger bills, electric heating and daytime loads save more.
Does Litmec install solar in Walwa?
Yes. We sell, design and warrant solar and battery systems across Victoria, including Walwa. 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.
Can solar keep my power on during outages in Walwa?
Only with a battery designed for backup. Standard solar shuts down in a blackout. A backup-capable battery keeps chosen circuits, such as the fridge, lights, internet and water pump, running, and the panels recharge it in daylight.
Who is the electricity distributor in Walwa?
North East Victoria is on the AusNet Services network. The distributor sets export limits and approves the connection; we apply on your behalf before the system is ordered.
See what your Walwa roof can do
Free assessment from a registered electrical contractor: your bill, your roof and your switchboard, with a written design and quote.