Solar Installers Sydney | Opera Solar Energy
- hisolar@operasolar.com.au
The Battery Rebate Drops on 1 Jan 2027: Don’t Miss Out on Huge Savings Up to A$6,800 Get Rebate
Goodwe ESA Series
The GoodWe ESA Series is a premium “All-in-One” solar battery solution. Prices for the massive 48kWh configuration typically range from $47,000 to $52,000 (installed, before rebates). However, due to its capacity, it is eligible for the maximum tier of the Federal Battery Rebate, offering up to $6,800 (rebate price may vary based on region and STC market value on the day of installation) in upfront savings until 31 December, 2026.
GoodWe ESA Series
The All-in-One Power Tower — 48kWh in a Single Pre-Wired Cabinet
Max Capacity
Inverter Rating
UPS Backup Speed
Inside the 2026 Canadian Solar Technology
Older solar arrays relied heavily on traditional P-type cell technology. While this was historically reliable, it presented noticeable efficiency limitations. Canadian Solar has transitioned their premium production lines to advanced N-Type cell architectures to future-proof their product range.
Frequently Asked Questions
It combines the hybrid inverter, battery modules, and backup switchgear into a single floor-mounted cabinet, unlike ‘component’ systems where the inverter is on the wall and the battery is separate — the main benefits are aesthetics and faster installation.
Many Australian networks (DNSPs) have a strict 10kW limit for simple residential connections. Rating the unit at 9.999kW ensures fast approval without triggering expensive commercial engineering assessments.
Roughly the size of a large double-door fridge, floor-standing, IP66-rated for indoor or outdoor installation. It’s extremely heavy (400kg+ fully loaded), requiring a solid concrete base.
Yes — the integrated backup switchgear passes through 63 Amps (roughly 10–14kW depending on surge), sufficient for standard household loads including air conditioning, lighting, and refrigeration during a blackout.
The GW9.999K-EHA-G20 is a single-phase inverter. On a 3-phase home it can still be installed, but backup is limited to the essential circuits on that specific phase; for true 3-phase backup, the GoodWe ET Series is the alternative.
Solar Battery
How can we help you?
Contact us at the Consulting WP office nearest to you or submit a business inquiry online.