Stewart Island Electricity Supply Authority

Category: Utility/Offtaker · Headquarters: New Zealand · Tracked deals: 1

Stewart Island Electricity Supply Authority (SIESA) is a local electricity supply authority serving Stewart Island/Rakiura in New Zealand, operating as part of Southland District Council's energy services.

Website: https://www.southlanddc.govt.nz/community-facilities/community-boards/stewart-island-rakiura-energy-solutions/

Recent deals

• Southland District Council secures financing and awards EPC contract for Stewart Island solar and battery storage project — Developer (2026-06-09)

📈 The Sherpa Signal — one notable infrastructure deal a day.