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Hybrid inverter · Sofar · ESI series · CEC approved December 2025
CEC listing: ESI 4.6K-S1 (AS4777-2 2020)
A 4.6 kW single-phase hybrid inverter that is battery-ready.
Read from the figures on this page. No review written yet.
The numbers that matter for a home. The full datasheet is below.
Rated power
How much solar it can turn into usable power at once
Phases
Runs on a standard single-phase supply
Type
Runs solar and a battery from one unit
Battery compatible
Yes
Backup capable
Yes
CEC approved
18 Dec 2025
Approval expiry
20 Sept 2027
Status
Active
Eligible for rebates
Yes
Years in AU Market
8 years
Australian Office
Not verified
CEC-Approved Batteries
6
CEC-Approved Panels
0
Category
Mid-Tier
Typical installed, inverter only
$1,368–$2,346
Prices vary by installer, configuration and site complexity. Get exact quotes from installers you choose.
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Western Power approval is required for every grid-connected install. Under Emergency Solar Management, a new system must be remotely manageable, or take an export limit instead — ask your installer to confirm this inverter’s ESM status.
Estimate for a full-size array on this inverter
At 5 peak sun hours a day (BOM) with a 15% system derate.
Website
www.sofarsolar.comThe Sofar ESI 4.6K-S1 against the closest-power inverters from other brands.
| Specification | Sofar ESI 4.6K-S1Sofar | Energizer FORCE 4.6HSEnergizer | Energizer Force 4.6SEnergizer |
|---|---|---|---|
| Rated power? | 4.6 kW | 4.6 kW | 4.6 kW |
| Max efficiency? | 0.0% | 0.0% | 0.0% |
| MPPT trackers? | Not verified | Not verified | Not verified |
| Phases | Single-phase | Single-phase | Single-phase |
| Type | Hybrid | Hybrid | Solar |
| Battery ready | Yes | Yes | No |
| Warranty | Not verified | Not verified | Not verified |
Specs from the CEC register and datasheet enrichment. Indicative — confirm exact figures with your installer.
Part of the Sofar ESI series
Compare every Sofar ESI variant side by side →
ESI-10K-T1 (AS4777-2 2020)
10 kW · 3φ
ESI-12K-T1 (AS4777-2 2020)
12 kW · 3φ
ESI 3.68K-S1 (AS4777-2 2020)
3.68 kW · 1φ
ESI 3K-S1 (AS4777-2 2020)
3 kW · 1φ
ESI 4K-S1 (AS4777-2 2020)
4 kW · 1φ
ESI 5K-S1-A (AS4777-2 2020)
5 kW · 1φ
Other CEC-approved products from Sofar available in Australia.
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About this data
All inverter specifications are sourced from the CEC Approved Products Register. Specifications are provided as published by the CEC and may differ from manufacturer datasheets. Verify current specifications with the manufacturer or your installer before purchasing. Not all listed models may be currently available in Western Australia.