Trentham Energy

Closed· Confirmed

SOLAR PANEL DEFENCE

NSW

Closed

18 February 2025

Trading since

5 November 2021

Systems installed (est.)

Unknown

Size

Small

Why we think this

Closed because ABN 39937711545 (W.P COSTELLO & M TURNBULL) cancelled on 18 February 2025; Business name SOLAR PANEL DEFENCE cancelled on 10 December 2025. Closure dated 18 February 2025, from ABR: ABN 39937711545 (W.P COSTELLO & M TURNBULL) cancelled.

The date comes from: ABR: ABN 39937711545 (W.P COSTELLO & M TURNBULL) cancelled.

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

The evidence

  • 18 February 2025ABN 39937711545 (W.P COSTELLO & M TURNBULL) cancelledABN register · check it
  • 10 December 2025Business name SOLAR PANEL DEFENCE cancelledASIC business names register · check it

The legal entities behind it

  • W.P COSTELLO & M TURNBULL

    ABN 39937711545 · Family Partnership · Cancelled · since 18 February 2025

    Trading names: SOLAR PANEL DEFENCE

  • SOLAR PANEL DEFENCE

    Business name · Cancelled · since 10 December 2025

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.

SOLAR PANEL DEFENCE: Closed (NSW) | Trentham Energy