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News: Energy Trendz Weekly, Hydro Watch


Hydro Watch 21 January 2021, Issue 1240

By Ruth Heron, January 21, 2021

 Total storage increased 124 GWh over the last week. South Island controlled storage increased 4.6% to 1,745 GWh; South Island uncontrolled storage increased 23.5% to 420 GWh; with Taupo storage decreasing 6.7% to 443 GWh.


Energy Trendz Weekly 17 January 2021, Issue 1,236

By Ruth Heron, January 18, 2021

Average prices increased by 77.3% at Benmore, increased by 79.2% at Islington, increased by 75.9% at Haywards and increased by 71.1% at Otahuhu over the last week. Total Storage decreased to 2,483 GWh. NI storage decreased by 2 % to 474 GWh while SI storage decreased by 1% to 2,009 GWh.


Hydro Watch 24 December 2020 - 14 January 2021

By Ruth Heron, January 14, 2021

 Total storage decreased 19.3 GWh over the last week. South Island controlled storage increased 1.1% to 1,669 GWh; South Island uncontrolled storage decreased 8% to 340 GWh; with Taupo storage decreasing 1.6% to 474 GWh.


Energy Trendz Weekly 27 December 2020 - 10 January 2021

By Ruth Heron, January 13, 2021

Average prices increased by 36% at Benmore, increased by 35% at Islington, increased by 34% at Haywards and increased by 33% at Otahuhu over the last week.  Total Storage increased to 2,502 GWh. NI storage increased by 6% to 482 GWh while SI storage increased by 3% to 2,020 GWh.


Energy Trendz Weekly 20 December 2020, Issue 1,232

By Ruth Heron, December 21, 2020

Average prices decreased by 9.7% at Benmore, decreased by 9.7% at Islington, decreased by 9.5% at Haywards and decreased by 11.8% at Otahuhu over the last week. Total Storage decreased to 2,476 GWh. NI storage remained at 469 GWh while SI storage decreased by 2% to 2,007 GWh.


Hydro Watch 17 December 2020, Issue 1,235

By Ruth Heron, December 17, 2020

Total storage decreased 48.9 GWh over the last week. South Island controlled storage decreased 3.5 % to 1,623 GWh; South Island uncontrolled storage increased 3 % to 384 GWh; with Taupo storage remaining steady at 469 GWh.


Energy Trendz Weekly 13 December 2020, Issue 1,231

By Ruth Heron, December 14, 2020

Average prices increased by 36.7% at Benmore, increased by 38.2% at Islington, increased by 32.4% at Haywards and increased by 31.4% at Otahuhu over the last week.  Total Storage increased to 2,525 GWh. NI storage decreased by 5 %  to 469 GWh while SI storage increased by 2% to 2,056 GWh.


Hydro Watch 10 December 2020, Issue 1,234

By Ruth Heron, December 10, 2020

Total storage increased 7.4 GWh over the last week. South Island controlled storage decreased 2.3 % to 1,683 GWh; South Island uncontrolled storage increased 23.6 % to 373 GWh; with Taupo storage decreasing 4.7 % to 469 GWh.


Energy Trendz Weekly 6 December 2020, Issue 1,230

By Ruth Heron, December 7, 2020

Average prices increased by 3% at  Benmore, Haywards and Otahuhu over the last week, and increased by 4% at Islington. Total Storage decreased to 2,517 GWh.


Hydro Watch 3 December 2020, Issue 1,233

By Ruth Heron, December 3, 2020

 Total storage decreased 82 GWh over the last week. South Island controlled storage decreased 2.8% to 1723 GWh; South Island uncontrolled storage decreased 16.6% to 302 GWh; with Taupo storage increasing 5.8% to 492 GWh.


Energy Trendz Weekly 29 November 2020, Issue 1,229

By Ruth Heron, November 30, 2020

Average prices increased by 8% at all of Benmore, Islington, Haywards and Otahuhu over the last week. Total Storage decreased to 2,599 GWh. NI storage increased by 2% to 465 GWh while SI storage decreased by 5% to 2,134 GWh.


Hydro Watch 26 November 2020, Issue 1,232

By Ruth Heron, November 26, 2020

 Total storage decreased 110.1 GWh over the last week. South Island controlled storage decreased 1.2% to 1,772 GWh; South Island uncontrolled storage decreased 21.2% to 361 GWh; with Taupo storage increasing 2.1% to 465 GWh.


Energy Trendz Weekly 22 November 2020, Issue 1,228

By Ruth Heron, November 23, 2020

Average prices increased by 47% at Benmore and Islington, increased by 49% at Haywards and increased by 48% at Otahuhu over the last week. Total Storage decreased to 2,709 GWh. NI storage increased by 3% to 456 GWh while SI storage decreased by 2% to 2,253 GWh.


Hydro Watch 19 November 2020, Issue 1,231

By Michael Cawte, November 19, 2020

Total storage decreased 23.9 GWh over the last week. South Island controlled storage increased 2.6 % to 1795 GWh; South Island uncontrolled storage decreased 15.2 % to 459 GWh; with Taupo storage increasing 2.9 % to 456 GWh. 


Energy Trendz Weekly 15 November 2020, Issue 1,227

By Ruth Heron, November 16, 2020

Average prices decreased by 25% at Benmore, decreased by 26% at Islington, and decreased by 27% at Haywards and Otahuhu over the last week.  Total Storage increased to 2,733 GWh. NI storage increased by 19% to 443 GWh while SI storage increased by 6% to 2,290 GWh.


Hydro Watch 12 November 2020, Issue 1,230

By Ruth Heron, November 12, 2020

Total storage increased 199.8 GWh over the last week. South Island controlled storage increased 13.8% to 1,749 GWh; South Island uncontrolled storage decreased 13.4% to 541 GWh; with Taupo storage increasing 19.1% to 443 GWh.


Energy Trendz Weekly 8 November 2020, Issue 1,226

By Ruth Heron, November 9, 2020

Average prices decreased by 11% at all of Benmore, Islington, Haywards and Otahuhu over the last week.   Total Storage increased to 2,533 GWh. NI storage increased by 8% to 372 GWh while SI storage increased by 10% to 2,161 GWh.


Hydro Watch 5 November 2020, Issue 1,229

By Ruth Heron, November 5, 2020

  Total storage increased 217.3 GWh over the last week. South Island controlled storage increased 15.1% to 1,537 GWh; South Island uncontrolled storage decreased 1.6% to 624 GWh; with Taupo storage increasing 7.5% to 372 GWh. 


Energy Trendz Weekly 31 October 2020, Issue 1,225

By Ruth Heron, November 2, 2020

Average prices decreased by 23% at all of Benmore, Islington, Haywards and Otahuhu over the last week. Total Storage  increased to 2,316 GWh.


Hydro Watch 29 October 2020, Issue 1,228

By Ruth Heron, October 29, 2020

Total storage increased 171.9 GWh over the last week. South Island controlled storage increased 10% to 1,335 GWh; South Island uncontrolled storage increased 3.8% to 634 GWh; with Taupo storage increasing 8.6% to 346 GWh.


Energy Trendz Weekly 26 October 2020, Issue 1,224

By Ruth Heron, October 27, 2020

Average prices decreased by 9% at Benmore and Islington, decreased by 8% at Haywards and decreased by 7% at Otahuhu over the last week. Total Storage decreased to 2,144 GWh. NI storage increased by 10% to 319 GWh while SI storage decreased by 5% to 1,825 GWh.


Hydro Watch 22 October 2020, Issue 1,227

By Ruth Heron, October 22, 2020

Total storage decreased 69.3 GWh over the last week. South Island controlled storage increased 2.1% to 1,214 GWh; South Island uncontrolled storage decreased 16.8% to 611 GWh; with Taupo storage increasing 10% to 319 GWh.


Energy Trendz Weekly 18 October 2020, Issue 1,223

By Ruth Heron, October 19, 2020

Average prices decreased by 5% at Benmore and Haywards, and decreased by 4% at Islington and Otahuhu over the last week.  Total Storage increased to 2,214 GWh. NI storage increased by 7% to 290 GWh while SI storage increased by 4% to 1,924 GWh.


Hydro Watch 15 October 2020, Issue 1,226

By Ruth Heron, October 15, 2020

Total storage increased 94 GWh over the last week. South Island controlled storage increased 14.2% to 1189 GWh; South Island uncontrolled storage decreased 9% to 734 GWh; with Taupo storage increasing 6.9% to 290 GWh.


Energy Trendz Weekly 11 October 2020, Issue 1,222

By Ruth Heron, October 12, 2020

Average prices increased by 2% at Benmore and Islington, 1% at Haywards, with negligible change at Otahuhu over the last week. Total Storage increased to 2,120 GWh. NI storage increased by 7% to 271 GWh while SI storage increased by 6% to 1,848 GWh.


Hydro Watch 8 October 2020, Issue 1,225

By Ruth Heron, October 8, 2020

Total storage increased 125.2 GWh over the last week. South Island controlled storage increased 5.8 % to 1,041 GWh; South Island uncontrolled storage increased 6.8 % to 807 GWh; with Taupo storage increasing 6.6 % to 271 GWh. 


Energy Trendz Weekly 4 October 2020, Issue 1,221

By Michael Cawte, October 5, 2020

Average prices increased by 27% at Benmore, 26% at Islington, 28% at Haywards, and by 25% at Otahuhu over the last week. Total Storage increased to 1,994 GWh. NI storage increased by 67% to 255 GWh while SI storage increased by 15% to 1,740 GWh.


Hydro Watch 1 October 2020, Issue 1,224

By Ruth Heron, October 1, 2020

Total storage increased 330.2 GWh over the last week. South Island controlled storage increased 15.4 % to 984 GWh; South Island uncontrolled storage increased 14.6 % to 756 GWh; with Taupo storage increasing 67.3 % to 255 GWh.


Energy Trendz Weekly 27 September 2020, Issue 1,220

By Ruth Heron, September 28, 2020

Average prices decreased by 11% at Benmore, Islington, and Haywards and decreased by 9% at Otahuhu over the last week. Total Storage increased to 1,664 GWh. NI storage increased by 9% to 152 GWh while SI storage increased by 18% to 1,512 GWh.


Hydro Watch 24 September 2020, Issue 1,223

By Ruth Heron, September 24, 2020

Total storage increased 243.2 GWh over the last week. South Island controlled storage increased 16.2 % to 852 GWh; South Island uncontrolled storage increased 20.3 % to 660 GWh; with Taupo storage increasing 9.4 % to 152 GWh.


Energy Trendz Weekly 20 September 2020, Issue 1,219

By Ruth Heron, September 21, 2020

Average prices decreased by 29% at Benmore, decreased by  30% at Islington, decreased by 28% at Haywards and decreased by 30% at Otahuhu over the last week.  Total Storage increased to 1421 GWh. NI storage decreased by 13 %  to 139 GWh while SI storage increased by 21% to 1,282 GWh.


Hydro Watch 17 September 2020, Issue 1,222

By Ruth Heron, September 17, 2020

Total storage increased 201.4 GWh over the last week. South Island controlled storage increased 4.5 % to 734 GWh; South Island uncontrolled storage increased 53.1 % to 548 GWh; with Taupo storage decreasing 13 % to 139 GWh.


Energy Trendz Weekly 13 September 2020, Issue 1,218

By Ruth Heron, September 14, 2020

 Average prices increased by 2% at Benmore, and increased by 1% at Islington, Haywards and Otahuhu over the last week. Total Storage decreased to 1,220 GWh. NI storage decreased by 14 % to 160 GWh while SI storage decreased by 3% to 1,060 GWh.


Hydro Watch 10 September 2020, Issue 1,221

By Ruth Heron, September 10, 2020

Total storage decreased 55.3 GWh over the last week. South Island controlled storage decreased 4.7 % to 702 GWh; South Island uncontrolled storage increased 1.4 % to 358 GWh; with Taupo storage decreasing 13.8 % to 160 GWh.


Energy Trendz Weekly 6 September 2020, Issue 1,217

By Ruth Heron, September 7, 2020

Average prices increased by 51% at Benmore , 49% at Islington,  50% at Haywards, and increased by 48% at Otahuhu over the last week.  Total Storage increased to 1,275 GWh. NI storage increased by 3% to 186 GWh while SI storage increased by 2% to 1,089 GWh.


Hydro Watch 3 September 2020, Issue 1,220

By Ruth Heron, September 4, 2020

Total storage increased 24.1 GWh over the last week. South Island controlled storage decreased 9.6 % to 736 GWh; South Island uncontrolled storage increased 38 % to 353 GWh; with Taupo storage increasing 2.9 % to 186 GWh.


Energy Trendz Weekly 30 August 2020, Issue 1,216

By Ruth Heron, August 31, 2020

Average prices decreased by 15% at Benmore, decreased by 14% at Islington, and decreased by 17% at Haywards and Otahuhu over the last week. Total Storage decreased to 1,251 GWh. NI storage increased by 27% to 180 GWh while SI storage decreased by 11% to 1,071 GWh.


Hydro Watch - 27 August 2020, Issue 1,219

By Ruth Heron, August 27, 2020

Total storage decreased 89 GWh over the last week. South Island controlled storage decreased 9.4 % to 815 GWh; South Island uncontrolled storage decreased 14.2 % to 256 GWh; with Taupo storage increasing 26.6 % to 180 GWh.


Energy Trendz Weekly 23 August 2020, Issue 1,215

By Ruth Heron, August 24, 2020

Average prices decreased by 1% at Benmore and Islington, decreased by 2% at Haywards and 5% Otahuhu over the last week. Total Storage decreased to 1,340 GWh. NI storage increased by 19% to 142 GWh while SI storage decreased by 2% to 1,198 GWh.


Hydro Watch - 20 August 2020, Issue 1,218

By Ruth Heron, August 20, 2020

Total storage decreased 256.8 GWh over the last week. South Island controlled storage decreased14.3 % to 899 GWh; South Island uncontrolled storage decreased 19.8 % to 298 GWh; with Taupo storage decreasing 18.8 % to 142 GWh.

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