Upper South Island · South Island
Ashburton
72.8 MW Solar capacity (2026)
$285 Modelled bill (May 2026)
0.21 Retail HHI (Aug 2026)
Ashburton is in the Upper South Island on the South Island. Network operator: Electricity Ashburton.
Retail market concentration (HHI)
Herfindahl–Hirschman index of retailer ICP share by network region.
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Modelled residential electricity bills
Monthly total bill for a standard-use customer, $/month.
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Distributed solar capacity ranked by region
Installed solar capacity, kW.
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