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    Insights from the eXtensa team

    The WA energy market, commercial battery economics, active management, and what the rules underneath every commercial energy bill are doing next.

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    Battery Economics
    Battery Economics

    When a commercial battery actually pays back in WA

    Three site scenarios at different scales, the maths underneath each, and the conditions that change the answer.

    eXtensa team·1 May 2026·9 min read
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    All Insights

    Everything from the desk.

    Battery Economics

    When a commercial battery actually pays back in WA

    Three site scenarios at different scales, the maths underneath each, and the conditions that change the answer.

    eXtensa team·1 May 2026·9 min read
    WA Market

    What the WA market changes mean for commercial energy costs

    Network tariffs, reserve capacity, the IRCR, and the AES Code. Four restructurings moving at the same time, and how they compound on a commercial bill.

    eXtensa team·1 May 2026·10 min read
    Solar

    Why passive solar is about to cost WA businesses money

    Solar that runs on its installation-day defaults was a sound investment in 2018. In 2026 it's an asset losing ground every quarter. Here's what changed underneath.

    eXtensa team·1 May 2026·9 min read
    Demand Management

    Demand charges in Perth: the line item on every commercial bill

    How demand charges are calculated on a Perth commercial bill, why they dominate the total on most sites, and what changes them.

    eXtensa team·1 May 2026·10 min read
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