Total storage increased 234.1 GWh over the last week. South Island controlled storage increased 6.2% to 2,214 GWh; South Island uncontrolled storage increased 28.4% to 417 GWh; with Taupo storage increasing 2.8% to 486 GWh.
Energy Trendz Daily 16 November 2021 (Interim)
By Ruth McKinlay, November 17, 2021
Spot prices at Haywards ranged from $0.01 - $91.90 and averaged $38 yesterday. Wind generation averaged 544 MW.
Energy Trendz Daily 15 November 2021 (Interim)
By Ruth McKinlay, November 16, 2021
Prices yesterday averaged $31 at Benmore and Haywards, and $36 at Otahuhu. Wind generation averaged 531 MW.
Energy Trendz Daily 12 - 14 November 2021
By Ruth McKinlay, November 15, 2021
Spot price averages at Otahuhu were $102 on Friday, $98 on Saturday, and $80 on Sunday.
Energy Trendz Weekly 14 November 2021, Issue 1,279
By Ruth McKinlay, November 15, 2021
Average prices increased by 35% at Benmore, increased by 35.7% at Islington, increased by 33.9% at Haywards and increased by 30.2% at Otahuhu over the last week. Total Storage decreased to 2,883 GWh. NI storage decreased by 3 % to 473 GWh while SI storage decreased by 5% to 2,410 GWh.
Energy Trendz Daily 11 November 2021 (Interim)
By Ruth McKinlay, November 12, 2021
Prices yesterday averaged $136 at Benmore, $142 at Haywards, and $155 at Otahuhu. Wind generation averaged 94 MW.
Hydro Watch 11 November 2021, Issue 1,282
By Ruth McKinlay, November 11, 2021
Total storage decreased 141.4 GWh over the last week. South Island controlled storage decreased 2.4% to 2,086 GWh; South Island uncontrolled storage decreased 18.9% to 325 GWh; with Taupo storage decreasing 3.2% to 473 GWh.
Energy Trendz Daily 10 November 2021 (Interim)
By Ruth McKinlay, November 11, 2021
Spot prices at Haywards ranged from $89 - $154 and averaged $121 yesterday. Wind generation averaged 147 MW.
Energy Trendz Daily 9 November 2021 (Interim)
By Ruth McKinlay, November 10, 2021
Prices yesterday averaged $102 at Benmore, $106 at Haywards, and $116 at Otahuhu. Wind generation averaged 204 MW.
Energy Trendz Daily 8 November 2021 (Provisional)
By Ruth McKinlay, November 9, 2021
Prices yesterday averaged $94 at Benmore, $98 at Haywards, and $108 at Otahuhu. Wind generation averaged 123 MW.
Energy Trendz Daily 5 - 7 November 2021
By Ruth McKinlay, November 8, 2021
Average prices were $84, $88 and $95 at Benmore, Haywards, and Otahuhu respectively. Wind generation averaged 87 MW.
Energy Trendz Weekly 7 November 2021, Issue 1,278
By Ruth McKinlay, November 8, 2021
Average prices increased by 22.8% at Benmore, increased by 22% at Islington, increased by 15% at Haywards and increased by 12.8% at Otahuhu over the last week. Total Storage decreased to 3,025 GWh. NI storage increased by 5% to 488 GWh while SI storage decreased by 3% to 2,536 GWh.
Energy Trendz Daily 4 November 2021 (Interim)
By Ruth McKinlay, November 5, 2021
Spot prices at Otahuhu ranged from $82 - $118 and averaged $97 yesterday. Wind generation averaged 505 MW.
Energy Trendz Daily 3 November 2021 (Provisional)
By Ruth McKinlay, November 4, 2021
Prices yesterday averaged $78 at Benmore, $81 at Haywards, and $96 at Otahuhu. Wind generation averaged 555 MW.
Hydro Watch 4 November 2021, Issue 1,281
By Ruth McKinlay, November 4, 2021
Total storage decreased 60.9 GWh over the last week. South Island controlled storage increased 0.7% to 2,136 GWh; South Island uncontrolled storage decreased 19.8% to 400 GWh; with Taupo storage increasing 5.1% to 488 GWh.
Energy Trendz Daily 2 November 2021 (Interim)
By Ruth McKinlay, November 3, 2021
Prices yesterday averaged $50 at Benmore, $53 at Haywards, and $60 at Otahuhu. Wind generation averaged 380 MW.
Energy Trendz Daily 1 November 2021 (Provisional)
By Ruth McKinlay, November 2, 2021
Daily average prices were $63, $69 and $80 at Benmore, Haywards, and Otahuhu respectively. Wind generation averaged 254 MW.
Energy Trendz Weekly 31 October 2021, Issue 1,277
By Ruth McKinlay, November 1, 2021
Average prices increased by 13.9% at Benmore, increased by 14.8% at Islington, increased by 18.8% at Haywards and increased by 18.1% at Otahuhu over the last week. Total Storage decreased to 3,085 GWh. NI storage increased by 1% to 465 GWh while SI storage decreased by 1% to 2,621 GWh.
Energy Trendz Daily 29 - 31 October 2021
By Ruth McKinlay, November 1, 2021
Spot price averages at Otahuhu were $103 on Friday, $56 on Saturday, and $17 on Sunday.
Energy Trendz Daily 28 October 2021 (Interim)
By Ruth McKinlay, October 29, 2021
Spot prices at Otahuhu ranged from $45 to $200 yesterday. Wind generation averaged 54 MW.
Hydro Watch 28 October 2021, Issue 1,280
By Ruth McKinlay, October 28, 2021
Total storage decreased 25.7 GWh over the last week. South Island controlled storage increased 1.7% to 2,122 GWh; South Island uncontrolled storage decreased 11.7% to 499 GWh; with Taupo storage increasing 1.2% to 465 GWh.
Energy Trendz Daily 27 October 2021 (Interim)
By Ruth McKinlay, October 28, 2021
Prices yesterday averaged $64 at Benmore, $74 at Haywards, and $87 at Otahuhu. Wind generation averaged 194 MW.
Electricity Contract Indexes October, Issue 151
By Claudia McHerron, October 28, 2021
The main index rose this month as buyng pressure came back into the futures market. Three large CFDs are excluded from the indexes because they are ten years in length or more, and therefore are exempt from price disclosure under the Electricity Industry Participation Code.
Energy Trendz Daily 26 October 2021 (Interim)
By Ruth McKinlay, October 27, 2021
Prices yesterday averaged $67 at Benmore, $72 at Haywards, and $83 at Otahuhu. Wind generation averaged 138 MW.
Energy Trendz Daily 22 - 25 October 2021
By Ruth McKinlay, October 26, 2021
Spot price averages at Haywards were $63 on Thursday, $55 on Friday, $71 on Saturday, and $60 on Sunday.
Energy Trendz Weekly 25 October 2021, Issue 1,276
By Ruth McKinlay, October 26, 2021
Average prices decreased by 4% at Benmore, decreased by 5% at Islington, decreased by 4% at Haywards and decreased by 4.4% at Otahuhu over the last week. Total Storage increased to 3,111 GWh. NI storage increased by 5% to 459 GWh while SI storage increased by 2% to 2,652 GWh.
Hydro Watch 21 October 2021, Issue 1,279
By Ruth McKinlay, October 22, 2021
Total storage increased 65 GWh over the last week. South Island controlled storage increased 2.6 % to 2,087 GWh; South Island uncontrolled storage decreased 1.8 % to 566 GWh; with Taupo storage increasing 5.3 % to 459 GWh.
Energy Trendz Daily 21 October 2021 (Interim)
By Ruth McKinlay, October 22, 2021
Prices yesterday averaged $74 at Benmore, $81 at Haywards, and $92 at Otahuhu. Wind generation averaged 191 MW.
Energy Trendz Daily 20 October 2021 (Provisional)
By Ruth McKinlay, October 21, 2021
Prices yesterday averaged $62 at Benmore, $67 at Haywards, and $78 at Otahuhu. Wind generation averaged 284 MW.
Energy Trendz Daily 19 October 2021 (Provisional)
By Ruth McKinlay, October 20, 2021
Prices yesterday averaged $32 at Benmore, $34 at Haywards, and $42 at Otahuhu. Wind generation averaged 411 MW.
Energy Trendz Daily 18 October 2021 (Provisional)
By Ruth McKinlay, October 19, 2021
Spot prices at Otahuhu ranged from $0.01 - $86.87 and averaged $26.57 yesterday. Wind generation averaged 489 MW.
Energy Trendz Weekly 17 October 2021, Issue 1,275
By Ruth McKinlay, October 18, 2021
Average prices increased by 26.7% at Benmore, increased by 28.6% at Islington, decreased by 1.9% at Haywards and decreased by 2.8% at Otahuhu over the last week. Total Storage increased to 3,046 GWh. NI storage increased by 6% to 436 GWh while SI storage increased by 1% to 2,611 GWh.
Energy Trendz Daily 15 - 17 October 2021
By Ruth McKinlay, October 18, 2021
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.