Skip to content
Menu
E3 Energy
  • Home
  • Commercial
  • Residential
  • Savings Calculator
  • Blog
  • Contact
    • About
    • Contact

GO SOLAR

Take control of your energy today

Reliable power, predictable energy bills

  1. Solar and battery sized to your actual bills
  2. Protect against outages
  3. Installed and serviced by our own CEC-accredited Melbourne team

Get a free personalised quote

Tell us how to reach you and what you’re after. It takes about a minute.

New Quote

The first step is all we need to get started. The questions after that are optional and help us size the system more accurately.

  • Address : 21/21 Cook Rd, Mitcham VIC 3132
  • Phone : 1300 254 507
  • Email : info@e3energy.com.au
  • Incentives
E3 EnergyE3 Energy
  • Home
  • Commercial
    • Commercial ESS

      Battery systems designed for commercial energy cost reduction.

      Industrial Energy Storage

      Scalable ESS solutions for factories and industrial facilities.

      Solar + Storage Integration

      Store excess solar energy and optimize renewable energy usage.

      Peak Shaving Solutions

      Reduce peak demand charges and improve energy efficiency.

      View All Commercial & Industrial
  • Residential
      • SigStor

        SigStor

      • CQ7

        CQ7

      • SigenStor EC SP/TP

        SigenStor EC SP/TP

      • H3 Smart Series

        H3 Smart Series

      • KH Series

        KH Series

      • Sigen C&I Inverter

        Sigen C&I Inverter

      • H3 Plus

        H3 Plus

      • H3 Pro

        H3 Pro

      View All Residential ESS
  • Savings Calculator
  • Blog
  • Contact
    • About
    • Contact
Book Your Free Energy Assessment
E3 EnergyE3 Energy

Blog

Contact us
All (20)Company (1)Insights (19)
An E3 Energy SOFAR installation: two white SOFAR battery stacks with an ESI hybrid inverter display in a garage beside the switchboard

SOFAR Battery Review 2026: PowerAll Specs, Rebate and Real Installs

  • E3 Energy Team
  • October 23, 2026
  • Insights

What the SOFAR PowerAll is, its specs from SOFAR's datasheet, whether it is approved for the federal battery discount, how much discount each module earns before and after 1 January 2027, and why we install it.

E3 Energy installer commissioning a Fox ESS hybrid inverter and battery, the kind of solar and battery system that cuts grid electricity use on a Melbourne power bill

A Real Melbourne Bill After Solar and a Battery: $3.37 a Day to $1.17

  • E3 Energy Team
  • October 15, 2026
  • Insights

A Melbourne customer's AGL bill went from $3.37 a day to $1.17 a day a year after solar and a battery. Grid use fell 88% and the bill fell 65%. The gap between the two is the daily supply charge.

Aerial view of a row of suburban houses with rooftop solar panels, the kind of homes that can be linked into a virtual power plant

Virtual Power Plants in Victoria: Should Your Home Battery Join One?

  • E3 Energy Team
  • October 7, 2026
  • Insights

You do not have to join a virtual power plant to get the federal battery discount. Here is what AGL, Origin and Amber pay in Victoria, which VPPs work with Fox ESS and Sigenergy, and what a VPP is worth next to your battery's everyday job.

E3 Energy technician setting up a Fox ESS hybrid inverter on a brick wall at a Melbourne home, with AC and battery isolators alongside

Victoria’s Midday Power Saver: What Three Free Hours Mean for a Home Battery

  • E3 Energy Team
  • September 24, 2026
  • Insights

From 1 October 2026 Victorian households can get free electricity from 11am to 2pm, up to 24 kWh a day, with slightly higher prices at other times. Here is what the published tariffs mean for a home battery, zone by zone.

Fox ESS hybrid inverter and DC isolators installed on a brick wall at a Melbourne home by E3 Energy, with the top of the battery enclosure below

Fox ESS CQ7 Price: What the Battery Rebate Takes Off, Model by Model

  • E3 Energy Team
  • September 16, 2026
  • Insights

The federal battery discount on a Fox ESS CQ7 is worth $3,400 to $6,960 depending on how many modules you stack, and the rate drops on 1 January 2027. Here is the calculation, model by model.

Fox ESS CQ7 battery tower installed against a brick wall by E3 Energy, showing the master module display on top and the stacked slave modules below

Fox ESS CQ7 Dimensions and Weight: Every Model, and Where It Can Legally Go

  • E3 Energy Team
  • September 6, 2026
  • Insights

Every Fox ESS CQ7 model with its real height, weight and footprint from the datasheet, plus the rules that decide which wall it can stand against.

Rooftop solar array installed by E3 Energy at Mansfield in regional Victoria, with gum trees and a heritage building behind

Solar Feed-in Tariffs in Victoria 2026: What Your Exports Are Really Worth Now

  • E3 Energy Team
  • August 26, 2026
  • Insights

Victoria stopped setting a minimum feed-in tariff in July 2025. Here is what your exports earn now, what you pay between 4pm and 9pm in each distribution zone, and the spread that decides whether a battery pays.

Hand holding a Type 2 EV charging connector at a home charging point

Can You Charge an EV From Your Home Battery? The Maths That Decides It

  • E3 Energy Team
  • August 20, 2026
  • Insights

Yes, a home battery can charge an electric car. Usually it should not be the thing doing it. The arithmetic, the kW limit nobody mentions, and what the federal discount does not pay for.

Fox ESS home battery with DC isolators and safety signage on a Melbourne wall, installed by E3 Energy

Will a Home Battery Keep the Lights On in a Blackout? What Backup Actually Means

  • E3 Energy Team
  • August 18, 2026
  • Insights

Solar shuts down in a blackout by design. A battery can keep your house running, but only if backup was designed into the job. What it takes, what runs, and the five questions to ask before you sign.

1 2 3Next
No more posts to load

It's Time To Reduce Energy Bills With Smart Battery Storage

Lower Electricity Costs

Reliable Backup Power

Get Energy Insights & Battery Updates.

Solar + storage solutions for residential and commercial energy independence.

Facebook Instagram Linkedin

Residential

  • Home Battery
  • How it works
  • FAQs
  • Get a quote

Commercial

  • C&I Solar + Storage
  • Use cases
  • Products
  • Book a call

Contact

Email: info@e3energy.com.au
Phone: 1300 254 507
Hours: Mon–Fri, 9:00–17:00

E Cubic Pty Ltd (ABN 83 693 352 055)
21/21 Cook Rd, Mitcham VIC 3132, Australia

© 2026 E³ Energy All rights reserved. | Privacy Policy | Terms & Conditions | Rebate Disclaimer