Solar for rural properties in Victoria
A country property isn't a suburban roof with more space. The supply line, the distances, the sheds and the pumps all change how a system should be designed. Here's what matters.
Updated November 2026 · Litmec Electrical, REC-10383
Country properties often have more roof and land than they need for solar, so the limits are usually electrical: the capacity of the power line, how far the panels are from the switchboard, and how much power the property uses during the day.
Many rural properties are on single wire earth return (SWER) lines, where distributors often set low export limits. On those properties, using the power on site, with daytime pumping, a heat pump hot water system or a battery, is what makes solar pay.
Your supply line sets the limit
Properties at the end of long rural feeders, and especially on SWER lines (a single high-voltage wire on wooden poles, common across country Victoria), share limited line capacity. Distributors manage that with export limits, sometimes well below the usual 5 kW for a single-phase home, and occasionally zero export. A system that can't export much should be sized to what the property uses, with any surplus going into a battery, hot water or pumping.
We apply for connection before the system is ordered, so you know the approved export limit before you commit.
House roof, shed roof or ground mount
- House roof: shortest cable run and usually the cheapest install, if it faces the right way and isn't shaded.
- Shed roof: big, simple, often perfectly oriented. The cost is in cabling back to the main switchboard, or connecting at the shed's own sub-board.
- Ground mount: panels at the ideal angle, easy to clean, no roof penetrations. It needs a frame, footings and trenching, so it suits larger systems where roofs are poor.
Every metre of cable between panels, inverter and switchboard adds cost and loss, so cable runs are designed to keep voltage drop within the Australian wiring rules. That's electrical work, and it's what we do.
Pumps, sheds and daytime loads
Bore and transfer pumps, workshops, cool rooms and irrigation controllers can often be run in daylight hours, which turns cheap solar into savings directly. Timers and smart controls cost little compared to the battery capacity they replace.
Single phase, three phase and SWER
Three-phase farm supplies can take much larger systems. Single-phase and SWER properties usually can't, and some SWER connections have a maximum demand limit too, which matters when you add heat pumps, EV charging or big pumps. See single vs three-phase solar.
Dust, heat and hail
In dry, dusty country a rinse a few times a year keeps output up; in wetter regions rain does most of the cleaning. Panels lose a little efficiency in extreme heat, which we allow for in the design. Panel hail ratings and how frames are fixed in windy, exposed sites are part of the specification.
Batteries and outages
Rural lines are more exposed to storms and bushfire. A battery only keeps the lights on in a blackout if the system is designed for backup. How backup works.
Related
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Questions
What is a SWER line and does it affect solar?
Single wire earth return (SWER) is a single high-voltage wire that supplies many rural properties in Victoria. Line capacity is limited, so distributors often set low export limits for solar on SWER. Sizing to what you use on site, or adding a battery, makes the most of it.
Can I put solar panels on my shed instead of my house?
Yes. Sheds often have big, well-oriented roofs. The extra cost is the cable back to the main switchboard, or a connection at the shed's sub-board, designed to keep voltage drop within the wiring rules.
Are ground-mounted solar panels worth it on a farm?
They suit larger systems where roofs are shaded or face the wrong way. They need a frame, footings and trenching, but give the ideal angle and are easy to clean and maintain.
Do you do solar in country Victoria?
Yes. Litmec sells, designs and warrants systems across Victoria. We start from your bills and photos of your roof and switchboard, apply to connect, and an accredited installer checks the site before anything is installed.
Check it on your roof
One minute online, then a free visit from a licensed electrician who checks your roof and switchboard.