Battery costs have declined by 99% in the last three decades, making electrified transport a reality (ourworldindata.org)

submitted 5 months ago by lightweight@piefed.iridescent.nz to c/aotearoa_energy@piefed.iridescent.nz

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Batteries have become much cheaper, making energy storage far more affordable.

Seems like a great opportunity for us, in Aotearoa, to be investing in grid-scale (and home-scale) batteries, particularly new sodium-ion batteries which should be at the lowest price-bracket for Watts per NZD. Surely this will be more cost effective, long lasting, biodiversity-friendly, and environmentally sustainable by far than even pumped hydro. What do folks reckon?

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[-] lightweight@mastodon.nzoss.nz 0 points 5 months ago

Of course @vik - which is why we should be requiring (regulating) power companies and Transpower to start making the necessary redesigns to remove such 'limiting factors' now rather than later. They're all enjoying record profits in any case, so let's get them to use it for good, not shareholder dividends. @lightweight@piefed.iridescent.nz

[-] puck@mastodon.nz 0 points 4 months ago

@lightweight@mastodon.nzoss.nz @vik @lightweight@piefed.iridescent.nz Maybe a good thing to hear is TransPower is going to replace the 3 Cook Strait cables, and will install a 4th at the same time.

https://www.comcom.govt.nz/news-and-media/news-and-events/2026/commission-proposes-go-ahead-for-major-investment-to-replace-critical-cook-strait-cables-by-2030/

this post was submitted on 02 Apr 2026

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