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A 33 kWh GoodWe ESA battery system for a home in Lismore.

This home already had solar. The household wanted a lot of battery storage added to it without going to our premium brand. We installed a GoodWe ESA all-in-one system with four battery modules, all done by our own in-house team.

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GoodWe ESA battery with four modules installed at a Lismore home by Sun Connect Solar

The system

  • Inverter: GoodWe ESA 10 kW hybrid inverter
  • Battery: four GoodWe 8.3 kWh modules, 33.28 kWh in total
  • Solar: the home’s existing system, no new panels needed

What we designed and why

Every battery we design is sized from the household’s real power use, from their bills. Because the home already had solar, we checked that the existing panels could charge the battery for the night before settling on a battery-only design. More on adding a battery to existing solar. GoodWe is our mid-tier option: very high quality at a lower price point than Sigenergy. The ESA is an all-in-one unit, with the inverter sitting on top of the battery modules in a single stack.

Four modules is a large battery for a home. The modular design is what makes that possible in one tidy unit.

The install

The ESA stands on a concrete base in a pebbled garden bed against the brick wall of the house, under the eaves. The base keeps the unit level and off the ground.

The required safety and shutdown signage is mounted on the wall beside it, and the cabling runs in conduit to a labelled isolator box. As on every job, the battery position and the switchboard were checked at the face-to-face site visit before install day.

GoodWe ESA battery with four modules installed at a Lismore home by Sun Connect Solar

GoodWe ESA battery with four modules installed at a Lismore home by Sun Connect Solar

What it gives the household

  • A large battery to cover evening and overnight use, so less power is bought from the grid
  • Blackout backup: a typical install backs up the whole home unless the customer asks us to leave some circuits out
  • Monitoring in the GoodWe app, set up and explained before we leave

How every job like this runs

1. Free energy assessment from one or two recent power bills, or a 15-minute call.

2. Custom design sized from the household’s real usage, with the federal Cheaper Home Batteries rebate (and solar STCs where panels are included) taken off at point of sale. We handle the paperwork.

3. Face-to-face site visit before install day: compliant battery position, switchboard and RCBO check, and agreement on what stays on in a blackout. No surprises on the day.

4. Install, usually one day, by our own electricians. No subcontractors. Then monitoring set-up, grid connection and a sign-off call.

Warranties: 10-year battery, 10-year inverter replacement and our 25-year workmanship warranty on our installation work.

The federal battery rebate steps down on 1 January 2027 and again on 1 July 2027, based on install date. If a battery is on your list, it’s worth getting your assessment done early.

Want a big battery without the premium price point?

We install across Lismore and the rest of the Northern Rivers. Compare GoodWe with Sigenergy, or see the Sungrow, Solax and Tesla batteries we also install.

Get a free energy assessment · Book a 15-minute call · 0483 903 020

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