Spot price averages at Otahuhu were $79 on Friday, $43 on Saturday, and $42 on Sunday.
Energy Trendz Daily 14 October 2021 (Interim)
By Ruth McKinlay, October 15, 2021
Daily average prices were $87, $97 and $111 at Benmore, Haywards, and Otahuhu respectively. Wind generation averaged 203 MW.
Of twists and turns and the meaning of Tiwai
By Greg Sise, October 15, 2021
We talk about the Tiwai Pt aluminium smelter almost every day at work – will it stay, or will it go? But it occurred to me today that I have absolutely no idea what Tiwai means in Te Reo Māori. I went searching, and was surprised at what I found.
Hydro Watch 14 October 2021, Issue 1,278
By Ruth McKinlay, October 14, 2021
Total storage increased 42.2 GWh over the last week. South Island controlled storage increased 0.8% to 2,035 GWh; South Island uncontrolled storage increased 0.6% to 576 GWh; with Taupo storage increasing 5.6% to 436 GWh.
Energy Trendz Daily 13 October 2021 (Interim)
By Ruth McKinlay, October 14, 2021
Spot prices at Otahuhu averaged $149 yesterday. Wind generation averaged 292 MW.
Energy Trendz Daily 12 October 2021 (Provisional)
By Tom Murphy, October 13, 2021
Prices yesterday averaged $45 at Benmore, $49 at Haywards, and $58 at Otahuhu. Wind generation averaged 445 MW.
Energy Trendz Daily 11 October 2021 (Interim)
By Tom Murphy, October 12, 2021
Prices yesterday averaged $32 at Benmore, $34 at Haywards, and $42 at Otahuhu. Wind generation averaged 466 MW.
Energy Trendz Weekly 10 October 2021, Issue 1,274
By Tom Murphy, October 11, 2021
Average prices decreased by 35% at Benmore, decreased by 35% at Islington, decreased by 16% at Haywards and decreased by 16% at Otahuhu over the last week. Total Storage decreased to 3,004 GWh. NI storage increased by 3% to 412 GWh while SI storage decreased by 7% to 2,592 GWh.
Energy Trendz Daily 8 - 10 October 2021
By Tom Murphy, October 11, 2021
Prices averaged $40 at Benmore, $43 at Haywards and $48 at Otahuhu on Sunday.
Energy Trendz Daily 7 October 2021 (Interim)
By Tom Murphy, October 8, 2021
Prices yesterday averaged $50 at Benmore, $82 at Haywards, and $98 at Otahuhu. Wind generation averaged 195 MW.
Hydro Watch 7 October 2021, Issue 1,277
By Tom Murphy, October 7, 2021
Total storage decreased 172.5 GWh over the last week. South Island controlled storage decreased 2.1% to 2,019 GWh; South Island uncontrolled storage decreased 19.9% to 572 GWh; with Taupo storage increasing 3.4% to 412 GWh.
Energy Trendz Daily 6 October 2021 (Interim)
By Tom Murphy, October 7, 2021
Prices yesterday averaged $61 at Benmore, $85 at Haywards, and $101 at Otahuhu. Wind generation averaged 97 MW.
Energy Trendz Daily 5 October 2021 (Interim)
By Ruth McKinlay, October 6, 2021
Prices yesterday averaged $47 at Benmore, $83 at Haywards, and $99 at Otahuhu. Wind generation averaged a low 31 MW.
New Option Contract: Cap 300
By Greg Sise, October 5, 2021
A new hedge contract started trading in September 2020. It’s a cap product with strike price of $300/MWh. Over 320 of these contracts traded so far, but we still don’t know who is selling them.
Energy Trendz Daily 4 October 2021 (Interim)
By Ruth McKinlay, October 5, 2021
Prices yesterday averaged $76 at Benmore, $101 at Haywards, and $119 at Otahuhu. Wind generation averaged 94 MW.
Energy Trendz Weekly 3 October 2021, Issue 1,273
By Ruth McKinlay, October 4, 2021
Average prices increased by 85.1% at Benmore, increased by 85.9% at Islington, increased by 68.4% at Haywards and increased by 70.1% at Otahuhu over the last week. Total Storage increased to 3,176 GWh. NI storage increased by 18% to 399 GWh while SI storage increased by 1% to 2,778 GWh.
Energy Trendz Daily 1 - 3 October 2021
By Ruth McKinlay, October 4, 2021
Prices averaged $50 at Benmore, $56 at Haywards and $66 at Otahuhu on Sunday.
Energy Trendz Daily 30 September 2021 (Provisional)
By Ruth McKinlay, October 1, 2021
Prices yesterday averaged $90 at Benmore, $98 at Haywards, and $115 at Otahuhu. Wind generation averaged 349 MW.
Energy Trendz Daily 29 September 2021 (Interim)
By Ruth McKinlay, September 30, 2021
Spot prices at Otahuhu ranged from $88 to $235 yesterday. Wind generation averaged 403 MW.
Hydro Watch 30 September 2021, Issue 1,276
By Ruth McKinlay, September 30, 2021
Total storage increased 78.6 GWh over the last week. South Island controlled storage increased 2.9 % to 2,063 GWh; South Island uncontrolled storage decreased 5.3 % to 715 GWh; with Taupo storage increasing 17.8 % to 399 GWh.
Energy Trendz Daily 28 September 2021 (Provisional)
By Ruth McKinlay, September 29, 2021
Spot prices at Otahuhu averaged $131 yesterday. Wind generation averaged 176 MW.
Energy Trendz Daily 27 September 2021 (Provisional)
By Ruth McKinlay, September 28, 2021
Prices yesterday averaged $64 at Benmore, $68 at Haywards, and $79 at Otahuhu. Wind generation averaged 277 MW.
Electricity Contract Indexes September, Issue 150
By Claudia McHerron, September 28, 2021
The main index continued its fall this month, as did both the FPVV and CFD indexes. The traded volumes in the indexes were relatively low again this month, perhaps as a result of lockdowns, but this may be pure coincidence.
Energy Trendz Daily 24 - 26 September 2021
By Ruth McKinlay, September 27, 2021
Spot price averages at Otahuhu were $15 on Friday, $27 on Saturday, and $49 on Sunday.
Energy Trendz Weekly 26 September 2021, Issue 1,272
By Ruth McKinlay, September 27, 2021
Average prices decreased by 56% at Benmore, decreased by 56.3% at Islington, decreased by 51.4% at Haywards and decreased by 51.3% at Otahuhu over the last week. Total Storage decreased to 3,098 GWh. NI storage increased by 12% to 339 GWh while SI storage decreased by 1% to 2,759 GWh.
Energy Trendz Daily 23 September 2021 (Interim)
By Ruth McKinlay, September 24, 2021
Spot prices at Otahuhu averaged $77 yesterday. Wind generation averaged 237 MW.
Hydro Watch 23 September 2021, Issue 1,275
By Ruth McKinlay, September 23, 2021
Total storage decreased 3 GWh over the last week. South Island controlled storage increased 2.2% to 2,005 GWh; South Island uncontrolled storage decreased 9.8% to 754 GWh; with Taupo storage increasing 11.6% to 339 GWh.
Energy Trendz Daily 22 September 2021 (Interim)
By Ruth McKinlay, September 23, 2021
Prices yesterday averaged $60 at Benmore, $96 at Haywards, and $111 at Otahuhu. Wind generation averaged 236MW.
Energy Trendz Daily 21 September 2021 (Interim)
By Tom Murphy, September 22, 2021
Prices yesterday averaged $42 at Benmore, $45 at Haywards, and $52 at Otahuhu. Wind generation averaged 422MW.
Energy Trendz Daily 20 September 2021 (Interim)
By Ruth McKinlay, September 21, 2021
Spot prices at Otahuhu ranged from $0.02 to $105 yesterday, ending the day with an average of $50. Wind generation averaged 399 MW.
Energy Trendz Daily 17 - 19 September 2021
By Ruth McKinlay, September 20, 2021
Spot price averages at Otahuhu were $109 on Friday, $96 on Saturday, and $93 on Sunday.
Energy Trendz Weekly 19 September 2021, Issue 1,271
By Ruth McKinlay, September 20, 2021
Average prices increased by 10.8% at Benmore, increased by 11.2% at Islington, increased by 5% at Haywards and increased by 3.8% at Otahuhu over the last week. Total Storage increased to 3,101 GWh. NI storage increased by 8% to 303 GWh while SI storage increased by 15% to 2,797 GWh.
Energy Trendz Daily 16 September 2021 (Interim)
By Tom Murphy, September 17, 2021
Prices yesterday averaged $84 at Benmore, $90 at Haywards, and $106 at Otahuhu. Wind generation averaged 451MW.
Price Formation with 100% Renewable Electricity
By Greg Sise, September 17, 2021
This week Greg Sise provides a summary of his presentation on the problem of price formation with 100% renewable electricity, which he presented at the the Electricity Authority’s Market Development Advisory Group (MDAG) recently.
Hydro Watch 16 September 2021, Issue 1,274
By Tom Murphy, September 16, 2021
Total storage increased 386.1 GWh over the last week. South Island controlled storage increased 6.4% to 1,961 GWh; South Island uncontrolled storage increased 41.7% to 836 GWh; with Taupo storage increasing 8% to 303 GWh.
Energy Trendz Daily 15 September 2021 (Interim)
By Tom Murphy, September 16, 2021
Prices yesterday averaged $143 at Benmore, $154 at Haywards, and $175 at Otahuhu. Wind generation averaged 193MW.
Energy Trendz Daily 14 September 2021 (Interim)
By Tom Murphy, September 15, 2021
Prices yesterday averaged $97 at Benmore, $103 at Haywards, and $119 at Otahuhu. Wind generation averaged 301 MW.
Energy Trendz Daily 13 September 2021 (Interim)
By Ruth McKinlay, September 14, 2021
Prices yesterday averaged $69 at Benmore, $74 at Haywards, and $86 at Otahuhu. Wind generation averaged 448 MW.
Energy Trendz Daily 10 - 12 September 2021
By Ruth McKinlay, September 13, 2021
Prices averaged $68 at Benmore, $72 at Haywards and $83 at Otahuhu on Sunday.
Energy Trendz Weekly 12 September 2021, Issue 1,270
By Ruth McKinlay, September 13, 2021
Average prices increased by 0.8% at Benmore, increased by 0.7% at Islington, increased by 6.1% at Haywards and increased by 8.7% at Otahuhu over the last week. Total Storage decreased to 2,715 GWh. NI storage increased by 2% to 281 GWh while SI storage decreased by 3% to 2,434 GWh.