Central North Island · North Island
Thames Valley
76.4 MW Solar capacity (2026)
$279 Modelled bill (May 2026)
0.21 Retail HHI (Aug 2026)
Thames Valley is in the Central 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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