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News


Energy Trendz Daily 2 September 2021 (Interim)

By Ruth McKinlay, September 3, 2021

Prices yesterday averaged $105 at Benmore, $114 at Haywards, and $127 at Otahuhu. Wind generation averaged 81 MW.   


Hydro Watch 02 September 2021, Issue 1,272

By Ruth McKinlay, September 2, 2021

Total storage increased 2.9 GWh over the last week. South Island controlled storage decreased 0.3 % to 1,896 GWh; South Island uncontrolled storage decreased 3.2 % to 604 GWh; with Taupo storage increasing 11.8 % to 275 GWh.


Energy Trendz Daily 1 September 2021 (Interim)

By Ruth McKinlay, September 2, 2021

Prices at Haywards averaged $119 for the day, and wind generation averaged 186 MW. 


Energy Trendz Daily 31 August 2021 (Interim)

By Ruth McKinlay, September 1, 2021

Prices yesterday averaged $72 at Benmore, $77 at Haywards, and $89 at Otahuhu. Wind generation averaged 403 MW.   


Energy Trendz Daily 30 August 2021 (Interim)

By Ruth McKinlay, August 31, 2021

Prices yesterday averaged $28 at Benmore, $30 at Haywards, and $34 at Otahuhu. Wind generation averaged 442 MW.   


Hedging Fundamentals Part 5 - The role of forecasting in hedging

By Paul Chapman, August 31, 2021

Forecasts of spot prices are an important tool in the hedging toolkit, and this post provides an overview of the role of forecasts in hedging.

Hedging


Energy Trendz Weekly 29 August 2021, Issue 1,268

By Ruth McKinlay, August 30, 2021

Average prices decreased by 34.2% at Benmore, decreased by 34.9% at Islington, decreased by 43.7% at Haywards and decreased by 40.9% at Otahuhu over the last week.  Total Storage increased to 2,772 GWh. NI storage increased by 9% to 246 GWh while SI storage increased by 5% to 2,526 GWh.


Energy Trendz Daily 27 - 29 August 2021

By Ruth McKinlay, August 30, 2021

Daily average prices did not exceed $81 over the weekend, with the highest average of $81 at Otahuhu on Friday, and the lowest  of $48 at Benmore on Saturday.


Energy Trendz Daily 26 August 2021 (Interim)

By Ruth McKinlay, August 27, 2021

Prices yesterday averaged $34 at Benmore, $51 at Haywards, and $57 at Otahuhu. Wind generation averaged 418 MW.  


Hydro Watch 26 August 2021, Issue 1,271

By Ruth McKinlay, August 27, 2021

Total storage increased 130.6 GWh over the last week. South Island controlled storage increased 1.8% to 1,902 GWh; South Island uncontrolled storage increased 13.8% to 624 GWh; with Taupo storage increasing 9% to 246 GWh.


Energy Trendz Daily 25 August 2021 (Interim)

By Ruth McKinlay, August 26, 2021

Spot prices at Otahuhu ranged from $0.01 to $152 yesterday. Wind generation averaged 411 MW. 


Energy Trendz Daily 24 August 2021 (Interim)

By Ruth McKinlay, August 25, 2021

Prices yesterday averaged $7 at Benmore, $62 at Haywards, and $56 at Otahuhu. Wind generation averaged 420 MW.  


Energy Trendz Daily 23 August 2021 (Interim)

By Ruth McKinlay, August 24, 2021

Prices yesterday averaged $35 at Benmore, $72 at Haywards, and $79 at Otahuhu. Wind generation averaged 305 MW.  


Electricity Contract Indexes August, Issue 149

By Claudia McHerron, August 24, 2021

The main index fell this month, as we expected it would. But there were only three contracts to include in the indexes, one each for CFD and FPVV, which is unusual, but not unprecedented.

Electricity market


Energy Trendz Daily 20 - 22 August 2021 (Interim)

By Ruth McKinlay, August 23, 2021

Spot price averages at Haywards were $60 on Friday, $135 on Saturday and $108 on Sunday. 


Energy Trendz Weekly 22 August 2021, Issue 1,267

By Ruth McKinlay, August 23, 2021

Average prices decreased by 80.1% at Benmore, decreased by 80.5% at Islington, decreased by 65% at Haywards and decreased by 65.9% at Otahuhu over the last week.  Total Storage increased to 2,641 GWh. NI storage increased by 8% to 226 GWh while SI storage increased by 10% to 2,416 GWh.


Energy Trendz Daily 19 August 2021 (Interim)

By Ruth McKinlay, August 20, 2021

Daily average prices were $27, $63 and $69 at Benmore, Haywards, and Otahuhu respectively. Wind generation averaged 389 MW. 


Energy Trendz Daily 18 August 2021 (Interim)

By Ruth McKinlay, August 19, 2021

Prices yesterday fell to $0.01 during the day, and averaged $9.76 at Benmore. Wind generation averaged 269 MW.   


Hydro Watch 19 August 2021, Issue 1,270

By Ruth McKinlay, August 19, 2021

Total storage increased 229 GWh over the last week. South Island controlled storage increased 2.4% to 1,867 GWh; South Island uncontrolled storage increased 44.3% to 549 GWh; with Taupo storage increasing 7.6% to 226 GWh.


Energy Trendz Daily 16 & 17 August 2021

By Ruth McKinlay, August 18, 2021

Prices at Haywards averaged $103 for the day on Monday, and $139 for the day on Tuesday - with a big spike in evening prices. 


Perspectives on the 9th August Outages

By Greg Sise, August 17, 2021

The blackout event of Monday 9th August caused a huge amount of negative publicity for the electricity market, but let’s take a closer look at some interesting aspects of this event.

Electricity market


Energy Trendz Weekly 15 August 2021, Issue 1,266

By Ruth McKinlay, August 16, 2021

Average prices increased by 86.5% at Benmore, increased by 88.4% at Islington, increased by 83.3% at Haywards and increased by 86.7% at Otahuhu over the last week. Total Storage decreased to 2,412 GWh. NI storage increased by 3% to 210 GWh while SI storage decreased by 6% to 2,203 GWh.


Energy Trendz Daily 13 August - 15 August 2021 (Provisional)

By Ruth McKinlay, August 16, 2021

Spot price averages at Benmore were $115 on Friday, $118 on Saturday, and $111 on Sunday. 


Energy Trendz Daily 12 August 2021 (Provisional)

By Ruth McKinlay, August 13, 2021

Spot prices at Otahuhu spiked to $174 yesterday. Wind generation averaged 424 MW. 


Energy Trendz Daily 11 August 2021 (Interim)

By Ruth McKinlay, August 12, 2021

Daily average prices were $138, $146 and $160 at Benmore, Haywards, and Otahuhu respectively. Wind generation averaged 214 MW. 


Hydro Watch 12 August 2021, Issue 1,269

By Ruth McKinlay, August 12, 2021

Total storage decreased 146 GWh over the last week. South Island controlled storage decreased 4.6% to 1,822 GWh; South Island uncontrolled storage decreased 14.8% to 380 GWh; with Taupo storage increasing 3.4% to 210 GWh.


Energy Trendz Daily 10 August 2021 (Interim)

By Ruth McKinlay, August 11, 2021

Prices yesterday averaged $164 at Benmore, $174 at Haywards, and $191 at Otahuhu. Wind generation averaged 215 MW.   


Updated: Energy Trendz Daily 9 August 2021 (Interim)

By Ruth McKinlay, August 10, 2021

Updated Interim prices prices still showing average prices exceeding $1000 for the day.


Energy Trendz Weekly 8 August 2021, Issue 1,265

By Ruth McKinlay, August 9, 2021

Average prices increased by 17.4% at Benmore, increased by 18.4% at Islington, increased by 19.2% at Haywards and increased by 18.2% at Otahuhu over the last week. Total Storage decreased to 2,558 GWh. NI storage decreased by 1 %  to 203 GWh while SI storage decreased by 1% to 2,356 GWh.


Energy Trendz Daily 5 August - 8 August 2021

By Ruth McKinlay, August 9, 2021

Spot price averages at Haywards were $179 on Thursday, $163 on Friday, $125 on Saturday, and $149 on Sunday. 


Hydro Watch 5 August 2021, Issue 1,268

By Ruth McKinlay, August 5, 2021

Total storage decreased 32.8 GWh over the last week. South Island controlled storage decreased 0.8 % to 1,909 GWh; South Island uncontrolled storage decreased 3.4 % to 446 GWh; with Taupo storage decreasing 0.8 % to 203 GWh.


Energy Trendz Daily 4 August 2021 (Interim)

By Ruth McKinlay, August 5, 2021

Spot price averages exceeded $144/MWh yesterday. Wind generation averaged 205 MW. 


Energy Trendz Daily 3 August 2021 (Interim)

By Ruth McKinlay, August 4, 2021

Prices at Haywards averaged $157 for the day, and wind generation averaged 268 MW. 


Energy Trendz Daily 2 August 2021 (Provisional)

By Ruth McKinlay, August 3, 2021

Prices yesterday averaged $149 at Benmore, $159 at Haywards, and $173 at Otahuhu. Wind generation averaged 53 MW.   


Energy Trendz Weekly 1 August 2021, Issue 1,264

By Ruth McKinlay, August 2, 2021

Average prices increased by 2.1% at Benmore, increased by 1.8% at Islington, increased by 3.4% at Haywards and increased by 2% at Otahuhu over the last week.  Total Storage increased to 2,591 GWh. NI storage increased by 31% to 204 GWh while SI storage decreased by 1% to 2,387 GWh.


Energy Trendz Daily 30 July - 1 August 2021

By Ruth McKinlay, August 2, 2021

Spot price averages at Haywards were $135 on Friday, $147 on Saturday and $147 on Sunday. 


Energy Trendz Daily 29 July 2021 (Interim)

By Ruth McKinlay, July 30, 2021

Prices at Haywards averaged $138 for the day, and wind generation averaged 98 MW. 


Hydro Watch 29 July 2021, Issue 1,267

By Ruth McKinlay, July 30, 2021

Total storage increased 32.4 GWh over the last week. South Island controlled storage increased 1.6 % to 1,925 GWh; South Island uncontrolled storage decreased 9.2 % to 462 GWh; with Taupo storage increasing 31.2 % to 204 GWh.


Energy Trendz Daily 28 July 2021 (Interim)

By Ruth McKinlay, July 29, 2021

Daily average prices were $111, $116 and $128 at Benmore, Haywards, and Otahuhu respectively. Wind generation averaged 203 MW. 


Energy Trendz Daily 27 July 2021 (Interim)

By Ruth McKinlay, July 28, 2021

Spot price averages exceeded $107/MWh yesterday. Wind generation averaged 356 MW. 

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