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Operational and market impacts of residential solar photovoltaics using a system operator-derived dispatch framework

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  • O'Leary, Jack
  • Atkins, Martin
  • Severinsen, Isaac

Abstract

New Zealand's electricity market was analysed to assess how greater levels of residential solar photovoltaic generation would impact wholesale electricity prices, market stability, and energy supply in a hydro-dominated system. A scenario-based approach compared historical market conditions with counter factual solar scenarios at several realistic adoption rates of households (5 – 20%) using real operational market data. Distributed photovoltaic generation at hourly resolution was modelled as a reduction in grid demand at relevant nodes across the country, and the resulting impacts on the market simulated using a verified replica of the market clearing engine used by the system operator for scheduling, pricing and dispatching electricity across the country's nodal pricing system.

Suggested Citation

  • O'Leary, Jack & Atkins, Martin & Severinsen, Isaac, 2026. "Operational and market impacts of residential solar photovoltaics using a system operator-derived dispatch framework," Energy, Elsevier, vol. 360(C).
    • Handle: RePEc:eee:energy:v:360:y:2026:i:c:s0360544226019699
    DOI: 10.1016/j.energy.2026.141862
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