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News


Hydro Watch 31 March 2022 Issue 1,302

By Ruth McKinlay, March 31, 2022

Total storage decreased 188 GWh over the last week. South Island controlled storage decreased 6.7 % to 2,181 GWh; South Island uncontrolled storage decreased 21.7 % to 103 GWh; with Taupo storage decreasing 0.7 % to 340 GWh.


Energy Trendz Daily 30 March 2022 (Interim)

By Ruth McKinlay, March 31, 2022

Spot prices at Haywards ranged from $176 - $523 and averaged $294 yesterday. Wind generation averaged 185 MW. 


Energy Trendz Daily 29 March 2022 (Interim)

By Ruth McKinlay, March 30, 2022

Prices yesterday averaged $229 at Benmore, $234 at Haywards, and $243 at Otahuhu. Wind generation averaged 184 MW.


Energy Trendz Daily 28 March 2022 (Interim)

By Ruth McKinlay, March 29, 2022

Prices yesterday averaged $182 at Benmore, $186 at Haywards, and $198 at Otahuhu. Wind generation averaged 320 MW.


Energy Trendz Daily 25 - 27 March 2022

By Ruth McKinlay, March 28, 2022

Spot price averages at Otahuhu were $182 on Friday, $188 on Saturday, and $178 on Sunday.


Energy Trendz Weekly 27 March 2022, Issue 1,298

By Ruth McKinlay, March 28, 2022

 Average prices increased by 5.2% at Benmore, increased by 5% at Islington, increased by 4.8% at Haywards and increased by 4.4% at Otahuhu over the last week. Total Storage decreased to 2,812 GWh. NI storage decreased by 0 %  to 343 GWh while SI storage decreased by 7% to 2,470 GWh.


100% Renewables Submission

By Lydia Maclean, March 28, 2022

The Electricity Authority’s Market Development Group (MDAG) recently consulted on the initial phase of its investigation into price formation, with 100% renewable generation in our energy-only market. Energy Link contributed to this work and has also submitted.

Electricity market


Energy Trendz Daily 24 March 2022 (Interim)

By Ruth McKinlay, March 25, 2022

Spot prices at Haywards ranged from $93 - $183 and averaged $160 yesterday. Wind generation averaged 318 MW.


Hydro Watch 24 March 2022 Issue 1,301

By Ruth McKinlay, March 24, 2022

 Total storage decreased 186.5 GWh over the last week. South Island controlled storage decreased 6% to 2,338 GWh; South Island uncontrolled storage decreased 21.6% to 132 GWh; with Taupo storage remaining steady at 343 GWh.


Energy Trendz Daily 23 March 2022 (Interim)

By Ruth McKinlay, March 24, 2022

Prices yesterday averaged $201 at Benmore, $207 at Haywards, and $222 at Otahuhu. Wind generation averaged 110 MW.


Energy Trendz Daily 22 March 2022 (Interim)

By Ruth McKinlay, March 23, 2022

Prices yesterday averaged $214 at Benmore, $219 at Haywards, and $233 at Otahuhu. Wind generation averaged 131 MW.


Electricity Contract Indexes March 2022, Issue 156

By Lydia Maclean, March 22, 2022

The CFD index pushed up again this month, toward the ASX three-year average, but the FPVV index went down slightly on a greater volume (relative to CFDs). So overall, the main index rose by 1.8% to 11.3 c/kWh.

Electricity market


Energy Trendz Daily 21 March 2022 (Interim)

By Ruth McKinlay, March 22, 2022

Daily averages were $165, $167 and $180 at Benmore, Haywards, and Otahuhu respectively. Wind generation averaged 282 MW.


Energy Trendz Weekly 20 March 2022, Issue 1,297

By Ruth McKinlay, March 22, 2022

  Average prices decreased by 10.1% at Benmore, decreased by 9.9% at Islington, decreased by 11.2% at Haywards and decreased by 13.6% at Otahuhu over the last week. Total Storage decreased to 2,999 GWh. NI storage decreased by 10 %  to 343 GWh while SI storage decreased by 5% to 2,655 GWh.


Energy Trendz Daily 18 - 20 March 2022

By Ruth McKinlay, March 21, 2022

Spot price averages at Haywards were $185 on Friday, $176 on Saturday, and $169 on Sunday.


Energy Trendz Daily 17 March 2022 (Interim)

By Ruth McKinlay, March 18, 2022

Daily averages were in line with the month-to-date, with $177, $179 and $191 at Benmore, Haywards, and Otahuhu respectively. Wind generation averaged 301 MW.


Hydro Watch 17 March 2022 Issue 1,300

By Ruth McKinlay, March 17, 2022

 Total storage decreased 189.5 GWh over the last week. South Island controlled storage decreased 4.8% to 2,487 GWh; South Island uncontrolled storage decreased 13.7% to 168 GWh; with Taupo storage decreasing 10% to 343 GWh. 


Energy Trendz Daily 16 March 2022 (Interim)

By Ruth McKinlay, March 17, 2022

Averages yesterday continued their recent trend. Wind generation averaged 428 MW.


Energy Trendz Daily 15 March 2022 (Interim)

By Ruth McKinlay, March 16, 2022

Daily averages were $165, $166 and $179 at Benmore, Haywards, and Otahuhu respectively. Wind generation averaged 383 MW.


Energy Trendz Daily 14 March 2022 (Interim)

By Ruth McKinlay, March 15, 2022

Daily average prices were $168, $170 and $186 at Benmore, Haywards, and Otahuhu respectively. Wind generation averaged 368 MW.


Energy Trendz Weekly 13 March 2022, Issue 1,296

By Ruth McKinlay, March 14, 2022

 Average prices increased by 14.7% at Benmore, increased by 15% at Islington, increased by 14.9% at Haywards and increased by 16.5% at Otahuhu over the last week. Total Storage decreased to 3,188 GWh. NI storage decreased by 7 %  to 382 GWh while SI storage decreased by 5% to 2,807 GWh.


Energy Trendz Daily 11 - 13 March 2022

By Ruth McKinlay, March 14, 2022

Spot price averages at Haywards were $204 on Friday, $167 on Saturday, and $161 on Sunday.


Nodal Spreads in ASX Futures Prices

By Ruth McKinlay, March 14, 2022

We have often pointed out that ASX futures prices don’t always appear to behave rationally.  In this post we look at the spread (difference) between the ASX futures prices at Benmore and Otahuhu.

Electricity market


Energy Trendz Daily 10 March 2022 (Interim)

By Ruth McKinlay, March 11, 2022

Daily average prices were $210, $220 and $241 at Benmore, Haywards, and Otahuhu respectively. Wind generation averaged 106 MW.


Energy Trendz Daily 9 March 2022 (Interim)

By Ruth McKinlay, March 10, 2022

Daily average prices were $208, $217 and $239 at Benmore, Haywards, and Otahuhu respectively. Wind generation averaged 85 MW.


Hydro Watch 10 March 2022 Issue 1,299

By Ruth McKinlay, March 10, 2022

 Total storage decreased 166.3 GWh over the last week. South Island controlled storage decreased 4.2% to 2,612 GWh; South Island uncontrolled storage decreased 10.6% to 195 GWh; with Taupo storage decreasing 7.1% to 382 GWh.


Energy Trendz Daily 8 March 2022 (Interim)

By Ruth McKinlay, March 9, 2022

Prices yesterday averaged $215 at Benmore, $221 at Haywards, and $240 at Otahuhu. Wind generation averaged 112 MW.


Energy Trendz Daily 7 March 2022 (Interim)

By Ruth McKinlay, March 8, 2022

Prices yesterday averaged $179 at Benmore, $182 at Haywards, and $200 at Otahuhu. Wind generation averaged 273 MW.


Energy Trendz Weekly 6 March 2022, Issue 1,295

By Ruth McKinlay, March 7, 2022

 Average prices increased by 87.6% at Benmore, increased by 88.4% at Islington, increased by 16.6% at Haywards and increased by 15.3% at Otahuhu over the last week. Total Storage decreased to 3,355 GWh. NI storage decreased by 7 %  to 411 GWh while SI storage decreased by 6% to 2,943 GWh.


Price Path Emissions

By Greg Sise, March 7, 2022

As we make the transition to net-zero carbon, it’s always interesting see forecasts of emissions in the future. Every time we run our quarterly long-term forecast, the ‘Price Path’, we get updated forecasts of how emissions might change in the electricity sector.

Electricity market


Energy Trendz Daily 4 - 6 March 2022 (Interim)

By Ruth McKinlay, March 7, 2022

Spot price averages at Otahuhu were $193 on Friday, $192 on Saturday, and $153 on Sunday.


Energy Trendz Daily 3 March 2022 (Interim)

By Ruth McKinlay, March 4, 2022

Prices yesterday averaged $133 at Benmore, $136 at Haywards, and $145 at Otahuhu. Wind generation averaged 136 MW.


Hydro Watch 3 March 2022 Issue 1,298

By Ruth McKinlay, March 4, 2022

 Total storage decreased 203.5 GWh over the last week. South Island controlled storage decreased 4.5% to 2,726 GWh; South Island uncontrolled storage decreased 17.6% to 218 GWh; with Taupo storage decreasing 6.8% to 411 GWh.


Energy Trendz Daily 1 - 2 March 2022 (Interim)

By Ruth McKinlay, March 3, 2022

Spot price averages at Benmore were $190 on Tuesday and $158 on Wednesday.


Energy Trendz Daily 28 February 2022 (Interim)

By Ruth McKinlay, March 1, 2022

The month ended with averages of $170 at Benmore, $179 at Haywards, and $202 at Otahuhu. Wind generation averaged 195 MW.


Energy Trendz Weekly 27 February 2022, Issue 1,294

By Ruth McKinlay, February 28, 2022

 Average prices increased by 68% at Benmore, increased by 68.3% at Islington, increased by 18.1% at Haywards and increased by 19.5% at Otahuhu over the last week. Total Storage decreased to 3,558 GWh. NI storage decreased by 7 %  to 441 GWh while SI storage decreased by 2% to 3,117 GWh.


Energy Trendz Daily 25 - 27 February 2022

By Ruth McKinlay, February 28, 2022

Daily average prices on Sunday were $135, $138 and $152 at Benmore, Haywards, and Otahuhu respectively. Wind generation averaged 404 MW.


Electricity Contract Indexes February 2022, Issue 155

By Ruth McKinlay, February 28, 2022

After a strong finish to 2021, the traded energy volume for index-qualifying contracts fell sharply this month, though the total number of contracts traded remained relatively high: 9 FPVV and 8 CFD.


Energy Trendz Daily 24 February 2022 (Interim)

By Ruth McKinlay, February 25, 2022

Prices yesterday averaged $91 at Benmore, $96 at Haywards, and $116 at Otahuhu. Wind generation averaged 447 MW.


Energy Trendz Daily 23 February 2022 (Interim)

By Ruth McKinlay, February 24, 2022

Prices yesterday averaged $71 at Benmore, $77 at Haywards, and $95 at Otahuhu. Wind generation averaged 405 MW.

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