Hornsby PV Installations

Last update: 2025-12-31

Figures are estimated based on available data.

See footnotes for details of data sources, terminology and analysis.


Total solar installations

17,026

Residential installations: 15,956

Commercial installations: 1,062

Power stations: 8


Number of houses in LGA: 42,861

Installed residential capacity: 101,545 kW

Total installed capacity: 130,030 kW

Average annual kWh generated per kW installed: 1,420 kWh/kW

Estimated annual savings

For all households with solar PV:

~$20,604,000

For a typical new solar PV system (8.6 kW), conservatively:

~$1,400

Annual CO2 offset

All solar installations:

107,000 tonnes

Residential: 83,400 tonnes

Commercial: 21,100 tonnes

Power stations: 2,290 tonnes


Based on estimated annual output of 184,749 MWh and 0.578 tonnes of CO2 produced by the energy network per MWh.

Equivalent to over 33,000 cars taken off the road per year based on these calculations

LGA residential PV density benchmarking (Proportion of houses with PV)

Hornsby~37.2%
New South Wales~39.8%
Hills Shire~47.2%
Central Coast (C) (NSW)~36.6%
Ku-ring-gai~31.8%

PV System Installations

(All time: 2001-)

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PV System Capacities

(All time: 2001-)

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PV System Installations and Capacities

SunSPoT Solar Assessments in Hornsby

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Australian PV Institute