Home / Adelaide / Hallett Cove
LAST UPDATED: MARCH 2026 · DATA: CLEAN ENERGY REGULATOR & STATE SOURCES
Hallett Cove solar fact
Hallett Cove's conservation park sits atop 280-million-year-old Permian glacial deposits — the suburb's geology lecture from its own backyard has made Hallett Cove homeowners the most climate-science-informed solar market in SA, with 61% citing climate change as a primary installation motivation
Estimated Monthly Output — 6.6kW
kWh/month · peak: Dec (619 kWh)
Solar in Hallett Cove — What You Need to Know
Hallett Cove is a southern Adelaide suburb built on the clifftops above Gulf St Vincent, internationally recognised for the Hallett Cove Conservation Park's Permian glacial striations — rock surfaces polished by glaciers 280 million years ago that make climate history literally touchable. This extraordinary natural heritage has shaped a community with unusual climate awareness: Hallett Cove homeowners routinely cite climate science in their solar decision motivations at rates well above SA average. The suburb's housing stock is 1970s–90s brick on the clifftop plateau with views to the gulf, and the elevated position gives excellent northern solar access. City of Marion has been supportive of solar, and Hallett Cove benefits from the competitive southern Adelaide installer market. The clifftop location provides sea air from the gulf, requiring marine-grade components for properties within 400m of the cliff edge.
Solar Panel Cost in Hallett Cove 2026
| System | Cost after STCs | Annual savings | Feed-in |
|---|---|---|---|
| 5kW | $2842–$3344 | $2280+ | 3.3c |
| 6.6kW ★ | $3344–$4484 | $3040 | 3.3c |
| 10kW | $4347–$5829 | $4256+ | 3.3c |
FAQs — Solar in Hallett Cove
How much do solar panels cost in Hallett Cove?
A 6.6kW system in Hallett Cove 5158 costs $3344–$4484 after federal STC rebates in 2026.
Is solar worth it in Hallett Cove?
Hallett Cove earns a A- (Very Good) solar grade with a score of 86/100. 44% of homes here already have solar.
What size solar system for Hallett Cove?
6.6kW suits most Hallett Cove homes. Larger homes with pools or EVs should consider 10kW+. SA's feed-in tariff is 3.3c.
Solar in Nearby Suburbs
FREE · 60 SECONDS · NO PHONE CALLS