GridCheck NZ

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

Saved 224 price readings and 16 generation readings since 2026-10-17.

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Right now

Demand (load)3,907 MW · North 2,472 · South 1,435
Cook Strait cable (HVDC)529 MW South → North (limit 1200 MW, 44% used)
Renewable98.52%
Carbon30.29 g CO₂/kWh · month avg 32.61 · year avg 45.77
Reserve prices North$0.5 fast / $1 sustained
Reserve prices South$0.38 fast / $0.5 sustained

Load as at 2026-10-18 14:55. HVDC as at 2026-10-18 14:00.

Wholesale price now

Half-hour ending 18/10/2026, 2:30:00 pm (trading period 30). $ per MWh, and cents per kWh — before lines, retail and GST.

Auckland$0.020.0c
Bunnythorpe$0.020.0c
Canterbury$0.020.0c
Christchurch$0.020.0c
Edgecumbe$0.020.0c
Hamilton$0.020.0c
Hawkes Bay$0.020.0c
Nelson$0.020.0c
Northland$0.020.0c
Otago$0.020.0c
Southland$0.020.0c
Taranaki$0.020.0c
Wellington$0.020.0c
West Coast$0.020.0c

Generation mix now

As at 18 Oct 2026 14:00 · total 4066 MW · renewable 98.52%

SourceMWShare
Hydro202849.9%
Geothermal119529.4%
Solar58914.5%
Wind1934.7%
Co-Gen601.5%
Battery00.0%
Coal00.0%
Gas00.0%
Diesel/Oil00.0%

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
01,0002,0003,0004,0005,0006,000MW09:0012:00
Show as a table
TimeHydroGeoWindSolarGasCoalOilCo-GenBatteryTotalRenew.
14:0020281195193589000600406698.52%
13:3020161196188588000600404998.51%
13:0021241202187587000610416298.54%
12:3021801208194587000610423198.56%
12:0022541213194585000610430798.59%
11:3023291214212588000610440498.61%
11:0024551216207584000600452298.67%
10:3025361221231579000600462798.7%
10:00269812252645640006011482198.75%
09:30278712152965450006030493398.78%
09:00280612143075010006147493898.76%
08:3028941204321392000610487298.75%
08:0029861192308247000624479898.72%
07:30297611823101360006137470198.7%
07:0028581176325540006143451598.65%
21:3033411224341046005965507696.7%

What each fuel earned — 2026-10-17

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
Hydro63,800$40.52$2,585,16548.4%
Geothermal28,936$64.08$1,854,21834.8%
Wind11,455$45.63$522,7119.8%
Solar5,068$31.65$160,3973.0%
Co-Gen1,418$66.57$94,3641.8%
Battery565$130.87$73,9691.4%
Gas441$102.07$44,9700.8%
Total111,682$47.78$5,335,794

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 · poc_prices · monthly · retail

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