GridCheck NZ

An independent, open check on New Zealand's power system: what's generating, what it costs, and where your bill goes.

Saved 14 price readings and 1 generation readings since 2026-10-17.

Right now

Demand (load)—
Cook Strait cable (HVDC)—
Renewable96.7%
Carbon—
Reserve prices North—
Reserve prices South—

Wholesale price now

Half-hour ending 17/10/2026, 10:00:00 pm (trading period 45). $ per MWh, and cents per kWh — before lines, retail and GST.

Northland$139.2913.9c
Auckland$137.9513.8c
Hamilton$133.4813.3c
Taranaki$128.3312.8c
Hawkes Bay$126.1712.6c
Edgecumbe$125.9912.6c
Bunnythorpe$125.0212.5c
Wellington$118.5611.9c
Christchurch$44.064.4c
Nelson$44.004.4c
West Coast$42.674.3c
Canterbury$41.324.1c
Otago$41.174.1c
Southland$39.423.9c

Generation mix now

As at 17 Oct 2026 21:30 · total 5076 MW · renewable 96.7%

SourceMWShare
Hydro334165.8%
Geothermal122424.1%
Wind3416.7%
Battery651.3%
Co-Gen591.2%
Gas460.9%
Coal00.0%
Diesel/Oil00.0%
Solar00.0%

Generation mix — last 24 hours

Each bar is one half-hour, newest on the right. Bar height = total power being made. Hover a bar for the numbers.

HydroGeothermalWindSolarGas, coal & otherBattery
01,0002,0003,0004,0005,0006,000MW
Show as a table
TimeHydroGeoWindSolarGasCoalOilCo-GenBatteryTotalRenew.
21:3033411224341046005965507696.7%

What each fuel earned

Whole day, all NZ. Average price = what that fuel was paid per MWh on average across the day (weighted by when it ran). Earned = MWh × average price.

FuelMWhAvg $/MWhEarnedShare
Appears after the first full day

Monthly: power price vs your bill

Cents per kWh, all incl GST. Wholesale = average for the month. Lines = network charges. Retailer & other = what's left (retailer costs and margin, losses, levies, metering). Bill price = MBIE survey, cheapest plan for an 8,000 kWh/yr home.

MonthPlaceWholesaleLinesRetailer & otherBill price
First summary appears on the 1st of next month

Download the data

Spreadsheet files (last 30 days — change days= up to 365): prices · generation · load · hvdc · carbon · reserves · node_prices · wind_solar · fuel_daily · capacity · monthly · retail

Sources: Transpower consolidated live data; em6 (Energy Market Services) free data; MBIE Quarterly Survey of Domestic Electricity Prices. Times are NZ time.