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News


Hydro Watch - 13 August 2020, Issue 1,217

By Michael Cawte, August 13, 2020

Total storage decreased 119.8 GWh over the last week. South Island controlled storage decreased 5.2 % to 1050 GWh; South Island uncontrolled storage decreased 12.5 % to 372 GWh; with Taupo storage decreasing 4.9 % to 175 GWh.


Energy Trendz Daily 12 August 2020 (Interim)

By Michael Cawte, August 13, 2020

The daily average price at Haywards was $96.53. Wind generation averaged 176 MW.


Energy Trendz Daily 11 August 2020 (Interim)

By Ruth McKinlay, August 12, 2020

Daily average prices yesterday were $125.61, $132.26, and $151.99 at Benmore, Haywards, and Otahuhu respectively. Wind generation averaged 213 MW.


Hydro Watch - 6 August 2020, Issue 1,216

By Ruth McKinlay, August 11, 2020

Total storage decreased 29.6 GWh over the last week. South Island controlled storage decreased 7.5 % to 1,107 GWh; South Island uncontrolled storage increased 25.1 % to 425 GWh; with Taupo storage decreasing 11.7 % to 184 GWh.


Energy Trendz Daily 10 August 2020 (Interim)

By Ruth McKinlay, August 11, 2020

Daily average prices yesterday were $87.43, $90.69, and $102.21 at Benmore, Haywards, and Otahuhu respectively. Wind generation averaged 297 MW.


Energy Trendz Daily 6 August - 9 August 2020

By Ruth McKinlay, August 10, 2020

Daily average prices yesterday were $89.72, $91.38, and $97.27 at Benmore, Haywards, and Otahuhu respectively. Wind generation averaged 250 MW.


Energy Trendz Weekly 9 August 2020, Issue 1,213

By Ruth McKinlay, August 10, 2020

Average prices fell over the week by 24% at all of Benmore, Islington, Haywards and Otahuhu. Total Storage decreased to 1,717 GWh. NI storage decreased by 12 % to 184 GWh while SI storage had a minimal decrease to 1,532 GWh.


Energy Trendz Daily 5 August 2020 (Interim)

By Ruth McKinlay, August 6, 2020

Daily average prices were $100.00, $104.09, and $114.05 at Benmore, Haywards, and Otahuhu respectively. Wind generation averaged 154 MW.


Energy Trendz Daily 4 August 2020 (Interim)

By Ruth McKinlay, August 5, 2020

Daily average prices were $88.69, $91.87 and $101.11 at Benmore, Haywards, and Otahuhu respectively. Wind generation averaged 243 MW.


Energy Trendz Daily 31 July - 3 August 2020

By Ruth McKinlay, August 4, 2020

Spot price averages exceeded $101/MWh yesterday. Wind generation averaged 126 MW.


Energy Trendz Weekly 3 August 2020, Issue 1,212

By Ruth McKinlay, August 4, 2020

Average prices increased by 4% at Benmore and Islington, increased by 5% at Haywards and increased by 6% at Otahuhu over the last week. Total Storage decreased to 1,746 GWh. NI storage decreased by 7 %  to 209 GWh while SI storage decreased by 7% to 1,537 GWh.


Energy Trendz Daily 30 July 2020 (Interim)

By Ruth McKinlay, July 31, 2020

Spot price averages exceeded $105/MWh yesterday. Wind generation averaged 134 MW.


Hydro Watch - 30 July 2020, Issue 1,215

By Ruth McKinlay, July 30, 2020

Total storage decreased 124 GWh over the last week. South Island controlled storage decreased 6.1 % to 1,198 GWh; South Island uncontrolled storage decreased 8.3 % to 340 GWh; with Taupo storage decreasing 7.1 % to 209 GWh.


Energy Trendz Daily 29 July 2020 (Interim)

By Ruth McKinlay, July 30, 2020

Daily average prices were $126.01, $132.45 and $146.88 at Benmore, Haywards, and Otahuhu respectively. Wind generation averaged 41 MW.


Energy Trendz Daily 28 July 2020 (Interim)

By Ruth McKinlay, July 29, 2020

Spot prices yesterday ranged from $99 to $343 at Benmore, $99 to $346 at Haywards, and from $101 to $362 at Otahuhu.


Energy Trendz Daily 27 July 2020 (Interim)

By Ruth McKinlay, July 28, 2020

Spot price averages exceeded $163/MWh yesterday. Wind generation averaged 30 MW.


Energy Trendz Weekly 26 July 2020, Issue 1,211

By Ruth McKinlay, July 27, 2020

Average prices decreased by 14% at Benmore and Islington, decreased by 13.% at Haywards and Otahuhu over the last week. Total Storage decreased to 1,870 GWh. NI storage increased by 12% to 225 GWh while SI storage decreased by 2% to 1,645 GWh.


Energy Trendz Daily 24 - 26 July 2020

By Ruth McKinlay, July 27, 2020

Daily average prices on Sunday were $138.43, $142.44 and $150.25 at Benmore, Haywards, and Otahuhu respectively. Wind generation averaged 117 MW.


Energy Trendz Monthly - July 2020, Issue 136

By Ruth McKinlay, July 24, 2020

The index increased this month on a volume of 30 contracts traded 20 CFD, 10 FPVV.The spread of prices making up the index was 6.2 c/kWh this month. Prices for the contracts variedfrom 7.6 c/kWh to 13.8 c/kWh when referenced to Haywards.The gap between the ELL Index and the ASX index has increased over the month as the ASX drops.


Energy Trendz Daily 23 July 2020 (Interim)

By Michael Cawte, July 24, 2020

The daily average spot price averaged $103.94 at Haywards. Fast reserve prices spiked over $80 in TP 17. Junction Rd did not provide any generation. Wind generation averaged 327 MW.


Energy Trendz Daily 22 July 2020 (Interim)

By Michael Cawte, July 23, 2020

The daily average spot price averaged $98.96 at Haywards. Reserve prices picked up in the evening period. TCC generated at an average rate of 249 MW, down from an average rate of greater than 300 MW in the previous week. Wind generation averaged 227 MW.


Energy Trendz Daily 21 July 2020 (Interim)

By Michael Cawte, July 23, 2020

The daily average spot price at Haywards was $70.72. Wind generation averaged 226 MW.


Hydro Watch - 23 July 2020, Issue 1,214

By Michael Cawte, July 23, 2020

Total storage decreased 9.9 GWh over the last week. South Island controlled storage decreased 5% to 1275 GWh; South Island uncontrolled storage increased 9.6% to 370 GWh; with Taupo storage increasing 12.2% to 225 GWh.


Energy Trendz Daily 20 July 2020 (Interim)

By Ruth McKinlay, July 21, 2020

Spot price averages exceeded $100/MWh yesterday. Wind generation averaged 139 MW.


Energy Trendz Weekly 19 July 2020, Issue 1,210

By Ruth McKinlay, July 20, 2020

Average prices decreased by 10% at Benmore and Islington, decreased by 11% at Haywards and decreased by 13% at Otahuhu over the last week. Total Storage decreased to 1,880 GWh. NI storage increased by 5% to 200 GWh while SI storage decreased by 5% to 1,680 GWh.


Energy Trendz Daily 17 - 19 July 2020

By Ruth McKinlay, July 20, 2020

Daily average prices on Sunday were $98.79, $99.29 and $101.31 at Benmore, Haywards, and Otahuhu respectively. Wind generation averaged 206 MW.


Energy Trendz Daily 16 July 2020 (Interim)

By Michael Cawte, July 17, 2020

Daily average prices were $138.41, $141.30 and $153.60 at Benmore, Haywards, and Otahuhu respectively. Wind generation averaged 299 MW.


Hydro Watch - 16 July 2020, Issue 1,213

By Ruth McKinlay, July 16, 2020

Total storage decreased 87 GWh over the last week. South Island controlled storage decreased 6.8 % to 1,342 GWh; South Island uncontrolled storage increased 0.4 % to 338 GWh; with Taupo storage increasing 4.9 % to 200 GWh.


Energy Trendz Daily 15 July 2020 (Interim)

By Ruth McKinlay, July 16, 2020

Daily average prices were $136.40, $140.03 and $154.88 at Benmore, Haywards, and Otahuhu respectively. Wind generation averaged 255 MW.


Energy Trendz Daily 14 July 2020 (Interim)

By Ruth McKinlay, July 15, 2020

Daily average prices were $129.29, $133.31 and $141.34 at Benmore, Haywards, and Otahuhu respectively. Wind generation averaged 48 MW.


Energy Trendz Daily 13 July 2020 (Interim)

By Michael Cawte, July 14, 2020

Daily average prices were $107.96, $111.08 and $121.01 at Benmore, Haywards, and Otahuhu respectively. Wind generation averaged 192 MW.


Energy Trendz Weekly 12 July 2020, Issue 1,209

By Ruth McKinlay, July 13, 2020

Average prices decreased by 37% at Benmore and Islington, decreased by 36% at Haywards and decreased by 34% at Otahuhu over the last week. Total Storage decreased to 1,967 GWh. NI storage increased by 1% to 191 GWh while SI storage decreased by 1% to 1,776 GWh.


Energy Trendz Daily 10 - 12 July 2020

By Ruth McKinlay, July 13, 2020

Daily average prices on Sunday were $102.57, $102.50 and $109.35 at Benmore, Haywards, and Otahuhu respectively. Wind generation averaged 391 MW.


Tiwai Closure – Its Impact on the Electricity Sector and on Prices

By Greg Sise, July 13, 2020

Rio Tinto, the majority owner of the Tiwai Pt aluminium smelter, announced last Thursday, 9th July, that it has terminated its electricity contracts with Meridian Energy and that it will close the smelter by August 2021.  This will have a profound impact on the electricity sector which will be felt for years to co

Electricity market


Tiwai Closure – Unanswered Questions

By Greg Sise, July 13, 2020

Rio Tinto, the majority owner of the Tiwai Pt aluminium smelter, announced last Thursday, 9th July, that it has terminated its electricity contract with Meridian Energy and that it will close the smelter by August 2021.  The announcement is short on details, and many questions remain unanswered.

Electricity market


Energy Trendz Daily 9 July 2020 (Interim)

By Michael Cawte, July 10, 2020

Daily average prices were $177.79, $183.71 and $198.13 at Benmore, Haywards, and Otahuhu respectively. Wind generation averaged 255 MW.


Hydro Watch - 9 July 2020, Issue 1,212

By Michael Cawte, July 9, 2020

Total storage decreased 11.6 GWh over the last week. South Island controlled storage decreased 6.1 % to 1439 GWh; South Island uncontrolled storage increased 31 % to 337 GWh; with Taupo storage increasing 1.3 % to 191 GWh.


Energy Trendz Daily 8 July 2020 (Interim)

By Ruth McKinlay, July 9, 2020

Daily average prices were $159.78, $166.25 and $182.35 at Benmore, Haywards, and Otahuhu respectively. Wind generation averaged 220 MW. 


Energy Trendz Daily 7 July 2020 (Interim)

By Michael Cawte, July 8, 2020

Daily average prices were $109.50, $113.51 and $126.51 at Benmore, Haywards, and Otahuhu respectively. Wind generation averaged 277 MW.


Energy Trendz Daily 6 July 2020 (Interim)

By Michael Cawte, July 7, 2020

Average prices on Sunday were $123.21, $127.04 and $143.05 at Benmore, Haywards, and Otahuhu respectively. Wind generation averaged 249 MW.

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