Solar and battery guides for Melbourne homes
Calculators, data and plain-English answers from a licensed electrical contractor. Every number is either from satellite solar data or from the same maths as our calculator.
Updated November 2026 · Litmec Electrical, REC-10383
Which solar and battery system suits your home
System finder
Find the solar and battery system that suits your home: sizes by bill and household, when a battery pays, inverters, three phase and backup. Free…
Bigger systems, three phase and whole-home backup
Large and all-electric homes
Solar and batteries for large and all-electric Victorian homes: 13 to 15 kW and up on three phase, 20 kWh+ of storage, EV charging and whole-home…
What size system your bill needs
Solar calculator
Enter your power bill to see the solar system size that fits your Melbourne home, what it could save each year and if a battery is worth it.…
Direction, pitch and shade, scored
Roof solar potential
Pick your roof's direction, pitch and shade to see its yearly solar output in Melbourne, from PVGIS satellite data. North, east, west and flat…
kWh by month and system size
Solar output in Melbourne
A 6.6 kW solar system in Melbourne makes about 9,500 kWh a year: 35 kWh a day in December and 15 in June. Monthly tables for 5 to 15 kW, from PVGIS…
Worth it? The Melbourne numbers
East-west solar
East and west-facing solar panels in Melbourne make about 85% of north-facing output, and spread generation across the day. The numbers, month by…
Savings by bill size and lifestyle
How much solar saves
Yearly solar savings for Melbourne homes on $300 to $1,000 quarterly bills, with and without a battery, and why being home in the day matters…
Battery sizing and savings
Is a battery worth it?
Whether a battery pays in Melbourne depends on your evening use. Size a battery for your home and see the savings with your own…
Will your board need work?
Switchboard check for solar
Ceramic fuses, no safety switch, an asbestos backing or a full board can stop a solar install. Check your switchboard in five…
STCs, batteries and Solar Victoria
Solar rebates in Victoria
How Victoria's three solar and battery discounts work: STCs, the Cheaper Home Batteries Program, and the Solar Victoria rebate and interest-free…
Why self-use matters more
Feed-in tariffs in Victoria
Victorian feed-in tariffs pay a few cents per kWh, against about 30c to buy power. What that means for system size, batteries and how you use…
System size limits explained
Single vs three phase
Most Melbourne homes are single phase, usually limited to about 10 kW of inverter and 5 kW export. How to check yours and when three phase…
Overlays, terraces and layout
Solar on heritage homes
Solar on a period home under a heritage overlay: which roof faces work, when a permit may apply, and how to fit panels to Victorian and Edwardian…
How many panels to run your car
Solar for EV charging
How much solar it takes to charge an electric car in Melbourne: about 1.7 kW of panels for 12,000 km a year. Work out your own…
7-star homes and frame-stage wiring
Solar on a new build
Solar on a new Melbourne home: how it fits the 7-star rules, what's wired at frame stage, when panels go on, and if the Solar Victoria rebate…
Farms, sheds, pumps and SWER lines
Solar for rural properties
Solar on a country home, shed or small farm in Victoria: SWER export limits, long cable runs, ground mounts, pumps, three phase and…
Keep power on in a blackout
Battery backup for outages
Does solar work in a blackout? How battery backup works in Victoria, what it can run, how big it needs to be, and backup vs going…
Check your bill, then get a free system design
A few quick questions show you the system that fits your home and what it could save each year. Send it through and we'll design it for your roof, with a written quote. No sign-up to see your result, and no pushy follow-up.
Building a new home? Skip the bill and send us your plans
Rather talk it through?
Call Jack on 0402 721 816, or book a free site visit.