Upper South Island · South Island
West Coast
2.1 MW Solar capacity (2026)
$282 Modelled bill (May 2026)
0.2 Retail HHI (Aug 2026)
West Coast is in the Upper South Island on the South Island. Network operator: Westpower.
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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