Current Providers

The following table summarises the contracted providers for 2026-27:

Ancillary Service AgentMultiple Frequency KeepingBackup Single Frequency KeepingInstantaneous ReserveOver-frequency ReserveBlack Start
Expiration20272027202720262026 (SI)2027 (NI)
Contact Energy

✅
 

✅
 

✅
 

✅
 

✅
 

 

Counties Power

 

 

✅
 

 

 

 

Enel X NZ (also includes Pan Pac)

 

 

✅

 

 

 

Genesis Energy

✅
 

✅
 

✅
 

 

 

✅

King Country Energy

 

 

✅
 

 

 

 

Manawa Energy

 

 

✅
 

 

 

 

Mercury Energy

✅

✅
 

✅
 

✅

 

✅

Meridian Energy

✅

✅

✅

✅

✅

 

NewPower Energy

 

 

✅

 

 

 

Nga Awa Purua (Mercury)

 

 

 

✅

 

 

PowerNet

 

 

✅

 

 

 

Tuaropaki (Mercury)

 

 

 

✅

 

 

Vector

 

 

✅

 

 

 

WEL Networks

 

 

✅

 

 

 

System Operator