Counties Energy, formerly Counties Power, owns and runs the power lines of South Auckland and northern Waikato, from Papakura to Mercer. It sells no electricity: customers pay a retailer. The Counties Energy Trust owns it on behalf of its more than 50,000 connected homes and businesses.

Electricity network
- Activities
- DistributionMetering
- Customers
- 49,940· connections (ICPs), year to Mar 2026
- Smart meters
- 99.9%· over 99.9% of homes, own meter fleet
- Outage time
- 155.2 min· unplanned SAIDI, year to Mar 2026, incl. storms
- Outages
- 2.26· unplanned SAIFI, year to Mar 2026, incl. storms
- Network length
- 3,668 km· 38% underground
- Coverage
- South Auckland
- Papakura
- Pukekohe
- Tuakau
- Waiuku
- Karaka
- Mercer
From southern Papakura to Mercer and west of the Waikato River. Planned work added 190.9 minutes of outages per customer in 2025/26.