Chelmsford St

PV Capacity

20 panels 10x facing north-east 10x facing south-west Total 8.80 kWp

System Type

Hybrid – 5kw Inverter, 20kWh Battery, 2 kW emergency circuits

Battery Capacity

20kWh Battery.

Cost

$38k – As part of a major renovation that included electric central heating, electric hot water and new switchboard.

Savings

a) Currently $1,900 /year electricity (inc GST)

> solar usage plus feed-in

> ~60-70% self-generation reduces impact of future supplier electricity price increases

b) $2,500 / year gas and wood (inc GST)

> costs no longer incurred)

> moving to heat pump systems for space and water heating reduced energy usage by ~10 MW / year.

c) Further savings when they move to an EV

Electrification State

Water and space heating were Gas/Wood gased – but are now electric

Cooking is electric and an EV is planned.

House Usage

We are generally home during the day.

What would you do differently?

Might have done more research, might have installed a larger capacity inverter. However, very satisfied with what we have.