# Energy Upgrade Guide

> Plain guides for Australian homeowners electrifying a house: the order to do solar, battery, hot water and heating in, what each costs after every incentive, and how to check the installer. Published by Timeless Energy Pty Ltd (ABN 22 647 048 520), an independent reference. Not a government website; does not administer rebates or decide eligibility. All amounts are published maximums with eligibility conditions, checked 23 September 2026. Enquiries may be referred to partner businesses (Tidy Energy and Solar Incentives) who may pay a referral fee.

Key verified figures:

- Suggested order for a Victorian house: solar, then hot water heat pump, then battery, then heating and cooling replacement.
- Installed price ranges in Victoria after federal certificates (market ranges, not quotes): 6.6 kW solar $5,000 to $8,500; 10 kW solar $9,000 to $13,000; 10 kWh battery $7,000 to $11,000 after the federal discount.
- Before signing: check the installer on the Solar Accreditation Australia register, the retailer on the Solar Victoria authorised retailer list, the seller as a NETCC signatory, the electrician on the Energy Safe Victoria register, and each product on the Clean Energy Council approved lists.

## Pages

- [Energy Upgrade Guide](https://www.energyupgradeguide.com.au)
- [check](https://www.energyupgradeguide.com.au/check)
- [stc value by zone](https://www.energyupgradeguide.com.au/data/stc-value-by-zone)
- [about](https://www.energyupgradeguide.com.au/about)

Contact: hello@rebateindex.com.au