Solar and batteries on the Sunshine Coast: local installs, salt air and prices

How many Sunshine Coast homes have solar and batteries?

Plenty. The Clean Energy Regulator counts about 112,200 small solar systems registered on the coast since 2001, and 7,655 new ones in the 12 months to 31 August 2026, averaging 10.5 kW (Queensland: 10.7 kW). Since the federal battery rebate began, from July 2025 to August 2026, coast homes added 9,113 batteries. They average 26.7 kWh usable, a little smaller than Queensland's 28.8 kWh.

Postcodes 4550 to 4575 (the Sunshine Coast and Noosa council areas, not Gympie's 4570). Each postcode is named after its main suburb. Battery sizes are usable capacity.

How much power does solar make on the Sunshine Coast?

At Maroochydore, each kW of north-facing panels (tilted 20°) makes about 1,650 kWh a year on NREL's PVWatts model: about 155 kWh in November, the best month, and about 110 in June, the weakest. So a 6.6 kW system makes roughly 11,000 kWh a year, and about 24 kWh on an average June day: a little less than the 26.7 kWh the typical new battery here holds. On winter days a big battery needs more panels, or free midday power (below), to fill.

Do you need special solar panels near the beach?

Salty, humid air near the sea can corrode a solar system's metal parts and connections. Panels are tested for it under IEC 61701, the international salt mist corrosion test for solar modules. On a beachfront or headland home in Mooloolaba, Coolum or Noosa:

• ask for the panel's datasheet and check it lists IEC 61701, and at what severity;
• ask how the rails, clamps and screws are rated for a coastal site, and where the inverter and battery will sit (out of the salt spray if possible);
• ask whether the panel, inverter and battery warranties set any conditions for homes close to the sea.

Hinterland homes in Maleny or Palmwoods are further from the salt spray; there, check the roof for shade from trees and slopes instead.

What does solar cost on the Sunshine Coast?

There's no separate price index for the coast, so we quote the south-east Queensland ranges (October 2026, after the federal rebates, installed, GST included): 6.6 kW of solar costs about $4,500 to $8,500, 10 kW about $8,000 to $11,500, and 6.6 kW with a 15 kWh battery about $13,500 to $23,000. The full table, and what pushes a price up, is in our guide to solar and batteries in Brisbane. Your own price depends on your roof, so get one for your home.

What rebates can Sunshine Coast homes get?

The Sunshine Coast is in STC zone 3, so the federal solar rebate is about $1,665 on a 6.6 kW system, and the federal battery rebate about $3,663 on a 15 kWh battery, if installed now; both fall from 1 January 2027. They're already taken off the prices above. There's no Queensland Government solar or battery program open to homeowners right now. Every program, who qualifies and how to claim it: solar and battery rebates in Queensland.

Older systems on the Solar Bonus Scheme (44c) keep it until 1 July 2028: read adding a battery to existing solar first.

Energex rates and free midday power

The coast is on the Energex network. On the 2026-27 default offer for south-east Queensland, a kWh costs about 28c, the supply charge is about $1.92 a day and a typical feed-in tariff pays about 4c, so storing a kWh to use at night is worth roughly 7 times exporting it. Check your own rates in the savings calculator.

In postcodes 4550–4569 and 4571–4575, larger retailers also offer the Solar Sharer plan: free power 11am to 2pm, up to 24 kWh a day, with a smart meter. That's how a winter battery can top up when the panels can't; compare the whole plan, since other rates can be higher. More: the Solar Sharer Offer.

Getting a price on the Sunshine Coast

Enter your address and we introduce you to one vetted local installer who covers your postcode, if there is one: licensed, accredited, insured and re-checked every 90 days. You see a price with every rebate applied first, and the installer only contacts you if you ask. What to check yourself: how to choose a solar installer. Live in Aura? Read our page on solar and batteries in Aura, from Homerise's own neighbourhood.