Lower North Island · North Island
Wairarapa
17.6 MW Solar capacity (2026)
$338 Modelled bill (May 2026)
0.17 Retail HHI (Aug 2026)
Wairarapa is in the Lower North Island on the North Island. Network operator: Powerco.
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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