Total storage decreased 88.7 GWh over the last week. South Island controlled storage decreased 4.6% to 1,309 GWh; South Island uncontrolled storage increased 1.7% to 357 GWh; with Taupo storage decreasing 32% to 69 GWh.
Energy Trendz Daily 5 May 2021 (Interim)
By Ruth McKinlay, May 6, 2021
Prices yesterday averaged $232 at Benmore, $233 at Haywards, and $237 at Otahuhu. Wind generation averaged 333 MW.
Energy Trendz Daily 4 May 2021 (Interim)
By Ruth McKinlay, May 5, 2021
Prices yesterday averaged $277 at Benmore and Otahuhu, and $274 at Haywards. Wind generation averaged 243 MW.
Energy Trendz Daily 3 May 2021 (Interim)
By Ruth McKinlay, May 4, 2021
Spot prices at Otahuhu spiked at $541 yesterday. Wind generation averaged 71 MW.
Energy Trendz Weekly 2 May 2021, Issue 1,251
By Ruth McKinlay, May 3, 2021
Average prices increased by 11.9% at Benmore, increased by 12.1% at Islington, increased by 12.3% at Haywards and increased by 11.7% at Otahuhu over the last week. Total Storage decreased to 1,824 GWh. NI storage decreased by 19 % to 101 GWh while SI storage increased by 0% to 1,723 GWh.
Energy Trendz Daily 28 April - 2 May 2021
By Ruth McKinlay, May 3, 2021
Spot price averages at Benmore during this period ranged from $250 to $298.
Energy Link Electricity Contract Indexes April 2021, Issue 145
By Claudia McHerron, April 30, 2021
There were 8 contracts traded that were eligible to include in the index calculations this month, but the last of these was on the 6th April, and since then nothing has traded in the OTC market (or at least not that meets the index criteria for size and duration).
Hydro Watch 29 April 2021, Issue 1,254
By Michael Cawte, April 30, 2021
Total storage decreased 16.4 GWh over the last week. South Island controlled storage decreased 3.6 % to 1372 GWh; South Island uncontrolled storage increased 20.3 % to 351 GWh; with Taupo storage decreasing 19 % to 101 GWh.
Energy Trendz Weekly 25 April 2021, Issue 1,250
By Michael Cawte, April 28, 2021
Average prices decreased by 7.5% at Benmore, decreased by 7.9% at Islington, decreased by 8.2% at Haywards and decreased by 9.6% at Otahuhu over the last week. Total Storage decreased to 1839 GWh. NI storage decreased by 6 % to 142 GWh while SI storage decreased by 8% to 1697 GWh.
Energy Trendz Daily 23-27 April 2021 (Interim)
By Michael Cawte, April 28, 2021
The spot price at Haywards averaged $250 over the last 7 days. Wind generation increased its share of output averaging 252 MW of generation over the last 7 days.
Energy Trendz Daily 22 April 2021 (Interim)
By Ruth McKinlay, April 23, 2021
Averages yesterday were in line with the month-to-date, with $266 at Benmore, $271 at Haywards, and $274 at Otahuhu. Wind generation averaged 132 MW.
Levelised Cost of Energy - What is it?
By Greg Sise, April 23, 2021
“We’re about to launch a new, free tool on our web site. It calculates the LCOE of your generation project. But what the f*&% is it?"
Energy Trendz Daily 21 April 2021 (Interim)
By Ruth McKinlay, April 22, 2021
Spot price averages exceeded $247/MWh yesterday. Wind generation averaged 108 MW.
Hydro Watch 22 April 2021, Issue 1,253
By Ruth McKinlay, April 22, 2021
Total storage increased 12.6 GWh over the last week. South Island controlled storage decreased 1.7% to 1,424 GWh; South Island uncontrolled storage increased 21.1% to 292 GWh; with Taupo storage decreasing 10.3% to 124 GWh.
Energy Trendz Daily 20 April 2021 (Interim)
By Ruth McKinlay, April 21, 2021
Prices yesterday averaged $291 at Benmore, $297 at Haywards, and $309 at Otahuhu. Wind generation averaged 245 MW.
Energy Trendz Daily 19 April 2021 (Interim)
By Ruth McKinlay, April 20, 2021
Prices yesterday averaged $208 at Benmore, $210 at Haywards, and $221 at Otahuhu. Wind generation averaged 389 MW.
Energy Trendz Daily 16 - 18 April 2021
By Ruth McKinlay, April 19, 2021
Spot price averages at Benmore were $206 on Friday, $245 on Saturday, and $202 on Sunday.
Energy Trendz Weekly 18 April 2021, Issue 1,249
By Ruth McKinlay, April 19, 2021
Average prices decreased by 10.1% at Benmore, decreased by 10.2% at Islington, decreased by 9.1% at Haywards and decreased by 7.2% at Otahuhu over the last week. Total Storage decreased to 1,839 GWh. NI storage decreased by 6 % to 142 GWh while SI storage decreased by 8% to 1,697 GWh.
Hedging Fundamentals Part 2
By Paul Chapman, April 18, 2021
This blog post follows on from Hedging Fundamentals Part 1 and answers "Why are spot prices in the NZ wholesale electricity market so volatile?"
Energy Trendz Daily 15 April 2021 (Interim)
By Ruth McKinlay, April 16, 2021
Prices yesterday averaged $250 at Benmore, $256 at Haywards, and $268 at Otahuhu. Wind generation averaged 354 MW.
Energy Trendz Daily 14 April 2021 (Interim)
By Ruth McKinlay, April 15, 2021
Spot prices continued their upward trend.
Hydro Watch 15 April 2021, Issue 1,252
By Ruth McKinlay, April 15, 2021
Total storage increased 81.5 GWh over the last week. South Island controlled storage increased 2.8% to 1,448 GWh; South Island uncontrolled storage increased 16.4% to 241 GWh; with Taupo storage increasing 5.9% to 139 GWh.
Energy Trendz Daily 13 April 2021 (Interim)
By Ruth McKinlay, April 14, 2021
Spot prices at Otahuhu spiked at $616 yesterday. Wind generation averaged 278 MW.
Energy Trendz Daily 12 April 2021 (Interim)
By Ruth McKinlay, April 13, 2021
Spot prices at Otahuhu spiked at $530 yesterday. Wind generation averaged 102 MW.
Energy Trendz Weekly 11 April 2021, Issue 1,248
By Ruth McKinlay, April 12, 2021
Average prices increased by 21.4% at Benmore, increased by 21.6% at Islington, increased by 22.9% at Haywards and increased by 23.8% at Otahuhu over the last week. Total Storage decreased to 1,839 GWh.
Energy Trendz Daily 9 - 11 April 2021
By Ruth McKinlay, April 12, 2021
Spot price averages at Haywards were $355 on Friday, $330 on Saturday, and $286 on Sunday.
Energy Trendz Daily 8 April 2021 (Interim)
By Ruth McKinlay, April 9, 2021
Prices yesterday averaged $344 at Benmore, $351 at Haywards, and $359 at Otahuhu. Wind generation averaged 82 MW.
Energy Trendz Daily 7 April 2021 (Interim)
By Ruth McKinlay, April 8, 2021
Spot price averages exceeded $311/MWh yesterday. Wind generation averaged 105 MW.
Hydro Watch 8 April 2021, Issue 1,251
By Ruth McKinlay, April 8, 2021
Total storage decreased 93.4 GWh over the last week. South Island controlled storage decreased 5.1% to 1,408 GWh; South Island uncontrolled storage decreased 2.9% to 207 GWh; with Taupo storage decreasing 8% to 131 GWh.
Energy Trendz Daily 6 April 2021 (Interim)
By Ruth McKinlay, April 7, 2021
The HVDC flow was Southwards morning and late evening yesterday. Wind generation averaged 223 MW.
Energy Trendz Weekly 4 April 2021, Issue 1,247
By Michael Cawte, April 6, 2021
Average prices decreased by 29.3% at Benmore, decreased by 29.8% at Islington, decreased by 31.8% at Haywards and decreased by 32.6% at Otahuhu over the last week. Total Storage decreased to 1839 GWh. NI storage decreased by 6 % to 142 GWh while SI storage decreased by 8% to 1697 GWh.
Energy Trendz Daily 2 - 5 April 2021 (Interim)
By Michael Cawte, April 6, 2021
Prices in the month to date have been $208.80, $203.84, and $205.25 at Benmore, Haywards, and Otahuhu respectively. Wind generation picked up on Friday and continued through the weekend.
Hydro Watch 1 April 2021, Issue 1,250
By Ruth McKinlay, April 1, 2021
Total storage decreased 149.5 GWh over the last week. South Island controlled storage decreased 6.4% to 1,484 GWh; South Island uncontrolled storage decreased 15.5% to 213 GWh; with Taupo storage decreasing 5.7% to 142 GWh.
Energy Trendz Daily 31 March 2021 (Interim)
By Ruth McKinlay, April 1, 2021
Prices yesterday averaged $273 at Benmore, $277 at Haywards, and $276 at Otahuhu. Wind generation averaged 146 MW.
Energy Trendz Daily 30 March 2021 (Interim)
By Ruth McKinlay, March 31, 2021
Spot price averages exceeded $310/MWh yesterday. Wind generation averaged 72 MW.
Energy Trendz Daily 29 March 2021 (Interim)
By Ruth McKinlay, March 30, 2021
Spot price averages exceeded $266/MWh yesterday. Wind generation averaged 270 MW.
Energy Trendz Daily 26 - 28 March 2021
By Ruth McKinlay, March 29, 2021
Spot price averages at Benmore were $274 on Friday, $288 on Saturday, and $234 on Sunday.
Energy Trendz Weekly 28 March 2021, Issue 1,246
By Ruth McKinlay, March 29, 2021
Average prices increased by 50.7% at Benmore, increased by 51.5% at Islington, increased by 53.1% at Haywards and increased by 57.4% at Otahuhu over the last week. Total Storage decreased to 1,989 GWh. NI storage decreased by 23 % to 151 GWh while SI storage decreased by 8% to 1,838 GWh.
What's behind the high spot prices?
By Greg Sise, March 28, 2021
What’s behind the high spot prices? We take a more detailed look at who is setting prices, when and why.
Energy Trendz Daily 25 March 2021 (Interim)
By Ruth McKinlay, March 26, 2021
Spot price averages exceeded $442/MWh yesterday. Wind generation averaged 118 MW.