LAST UPDATED: MARCH 2026 · DATA: CLEAN ENERGY REGULATOR & STATE SOURCES
Seaford solar fact
Seaford SA faces the Gulf St Vincent due west — counter-intuitively beneficial for solar because Adelaide's afternoon is its peak solar period, and west-facing panels here capture that afternoon peak more effectively than equivalent east-facing installations
Estimated Monthly Output — 6.6kW
kWh/month · peak: Dec (620 kWh)
Solar in Seaford — What You Need to Know
Seaford is one of Adelaide's newer southern coastal suburbs, developed from the 2000s on the coastal strip south of Christies Beach. The suburb's position on Gulf St Vincent provides the west-facing solar advantage described: Adelaide's clear afternoons, combined with the open-water western horizon, mean west-facing rooftops perform exceptionally well from 1–5pm — the household peak consumption period that maximises self-consumption. City of Onkaparinga has maintained strong solar support across its southern suburbs, and Seaford benefits from the competitive southern Adelaide installer market. The suburb's newer housing stock — most homes built post-2005 — means solar conduit is common, reducing installation costs. The coastal position means marine-grade components for properties within 400m of the beach, but the suburb's inland streets use standard hardware.
Solar Panel Cost in Seaford 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 Seaford
How much do solar panels cost in Seaford?
A 6.6kW system in Seaford 5169 costs $3344–$4484 after federal STC rebates in 2026.
Is solar worth it in Seaford?
Seaford earns a A- (Very Good) solar grade with a score of 86/100. 45% of homes here already have solar.
What size solar system for Seaford?
6.6kW suits most Seaford homes. Larger homes with pools or EVs should consider 10kW+. SA's feed-in tariff is 3.3c.
Solar in Nearby Suburbs
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