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LAST UPDATED: MARCH 2026 · DATA: CLEAN ENERGY REGULATOR & STATE SOURCES
Mount Gravatt solar fact
Mount Gravatt's elevated position — 99 metres above sea level — gives its north-facing homes 18 additional minutes of morning solar generation compared to low-lying Brisbane suburbs like South Brisbane
Estimated Monthly Output — 6.6kW
kWh/month · peak: Dec (693 kWh)
Solar in Mount Gravatt — What You Need to Know
Mount Gravatt sits on the highest ground in Brisbane's south, with GRIFFITH University's campus occupying the summit and residential streets cascading down to the north, east and west. This elevation advantage is real and measurable for solar: homes on the north-facing slopes of Mount Gravatt East and Mansfield have clear solar horizons from around 7:30am. The suburb's housing stock is predominantly 1970s–90s brick homes on 600–800m² blocks, with a high owner-occupier rate and strong family demographics. Logan Road and the Mount Gravatt-Capalaba Road corridor create a competitive local installer market, with multiple CEC-accredited businesses competing for the suburb's consistent installation demand. The suburb's school catchment includes Mansfield State High — one of QLD's highest academic performers — attracting a professional demographic that combines high incomes with strong ROI awareness.
Solar Panel Cost in Mount Gravatt 2026
| System | Cost after STCs | Annual savings | Feed-in |
|---|---|---|---|
| 5kW | $2842–$3344 | $1860+ | 6.7c |
| 6.6kW ★ | $3344–$4484 | $2480 | 6.7c |
| 10kW | $4347–$5829 | $3472+ | 6.7c |
FAQs — Solar in Mount Gravatt
How much do solar panels cost in Mount Gravatt?
A 6.6kW system in Mount Gravatt 4122 costs $3344–$4484 after federal STC rebates in 2026.
Is solar worth it in Mount Gravatt?
Mount Gravatt earns a A- (Very Good) solar grade with a score of 85/100. 38% of homes here already have solar.
What size solar system for Mount Gravatt?
6.6kW suits most Mount Gravatt homes. Larger homes with pools or EVs should consider 10kW+. QLD's feed-in tariff is 6.7c.
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