Trentham Energy

Closed· Confirmed

COMMERCIAL SOLAR SOLUTIONS GROUP PTY LTD

NSW

Closed

30 June 2026

Trading since

16 November 2015

Systems installed (est.)

~1,593

Size

Large

Why we think this

Closed because CSS & S PTY LTD (ACN 609304136) is under external administration (administrators or liquidators appointed); ABN 26609304136 (COMMERCIAL SOLAR SOLUTIONS GROUP PTY LTD) cancelled on 7 July 2026; WhySolar lists it as collapsed: Deregistered (2026). Identified via ABR search. ABN cancelled 2026-07-07. Australian Private Company. Registered in NSW. Closure dated 30 June 2026, from WhySolar: Deregistered (2026). Identified via ABR search. ABN cancelled 2026-07-07. Australian Priva.

The date comes from: WhySolar: Deregistered (2026). Identified via ABR search. ABN cancelled 2026-07-07. Australian Priva.

The business has stopped trading: a register, Google or the industry's review sites say so.

The evidence

  • Seen recentlyCSS & S PTY LTD (ACN 609304136) is under external administrationASIC company register · check it
  • 7 July 2026ABN 26609304136 (COMMERCIAL SOLAR SOLUTIONS GROUP PTY LTD) cancelledABN register · check it
  • 30 June 2026Deregistered (2026). Identified via ABR search. ABN cancelled 2026-07-07. Australian Private Company. Registered in NSW. Date is mid-year, the note gives the year only.WhySolar · check it

The legal entities behind it

  • COMMERCIAL SOLAR SOLUTIONS GROUP PTY LTD

    ABN 26609304136 · Australian Private Company · Cancelled · since 7 July 2026

    Trading names: Hydro Power Nation, Wind Power Nation, SOLAR POWER NATION, sydney solar panels, Solar Rig

  • CSS & S PTY LTD

    ACN 609304136 · Company · External administration

Installer gone? We look after orphaned systems.

If the company that put in your solar or battery has closed, we can check the system, chase the manufacturer's warranty and keep it running.

COMMERCIAL SOLAR SOLUTIONS GROUP PTY LTD: Closed (NSW) | Trentham Energy