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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
Hydro Watch - 6 August 2020, Issue 1,216
By Ruth Heron, 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.
Hydro Watch - 30 July 2020, Issue 1,215
By Ruth Heron, 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.
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.
Hydro Watch - 16 July 2020, Issue 1,213
By Ruth Heron, 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.
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
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.
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.
Hydro Watch - 2 July 2020, Issue 1,211
By Ruth Heron, July 2, 2020
Total storage decreased 134.8 GWh over the last week. South Island controlled storage decreased 7 % to 1,533 GWh; South Island uncontrolled storage decreased 16.6 % to 257 GWh; with Taupo storage increasing 20 % to 188 GWh.
Hydro Watch - 25 June 2020, Issue 1,210
By Ruth Heron, June 25, 2020
Total storage decreased 69.3 GWh over the last week. South Island controlled storage decreased 5.3 % to 1,648 GWh; South Island uncontrolled storage decreased 9.1 % to 308 GWh; with Taupo storage increasing 52.8 % to 157 GWh.
Hydro Watch - 18 June 2020, Issue 1,209
By Ruth Heron, June 18, 2020
Total storage decreased 59.8 GWh over the last week. South Island controlled storage decreased 6.8 % to 1,741 GWh; South Island uncontrolled storage increased 32.2 % to 339 GWh; with Taupo storage decreasing 12.8 % to 103 GWh.
Hydro Watch - 11 June 2020, Issue 1,208
By Michael Cawte, June 12, 2020
Total storage decreased 152 GWh over the last week. South Island controlled storage decreased 7.6 % to 1868 GWh; South Island uncontrolled storage decreased 2.7 % to 257 GWh; with Taupo storage increasing 8.6 % to 118 GWh.
Hydro Watch - 4 June 2020, Issue 1,207
By Ruth Heron, June 4, 2020
Total storage decreased 240.1 GWh over the last week. South Island controlled storage decreased 7.8 % to 2,022 GWh; South Island uncontrolled storage decreased 19.4 % to 264 GWh; with Taupo storage decreasing 4.3 % to 108 GWh.
Hydro Watch - 28 May 2020, Issue 1,206
By Ruth Heron, May 28, 2020
Total storage decreased 141.9 GWh over the last week. South Island controlled storage decreased 6.9 % to 2,194 GWh; South Island uncontrolled storage increased 7.2 % to 327 GWh; with Taupo storage decreasing 0.7 % to 113 GWh.
Hydro Watch - 21 May 2020, Issue 1,205
By Ruth Heron, May 21, 2020
Total storage decreased 215 GWh over the last week. South Island controlled storage decreased 4.6% to 2,357 GWh; South Island uncontrolled storage decreased 21.2% to 305 GWh; with Taupo storage decreasing 15.2% to 114 GWh.
Hydro Watch - 14 May 2020, Issue 1,204
By Ruth Heron, May 14, 2020
Total storage decreased 71.1 GWh over the last week. South Island controlled storage decreased 0.7 % to 2,469 GWh; South Island uncontrolled storage decreased 10.3 % to 388 GWh; with Taupo storage decreasing 6.8 % to 135 GWh.
Hydro Watch - 7 May 2020, Issue 1,203
By Ruth Heron, May 7, 2020
Total storage increased 148.3 GWh over the last week. South Island controlled storage increased 2.3 % to 2,486 GWh; South Island uncontrolled storage increased 20.1 % to 432 GWh; with Taupo storage increasing 16.1 % to 144 GWh.
Hydro Watch - 30 April 2020, Issue 1,202
By Ruth Heron, April 30, 2020
Total storage remained steady at 0.7 GWh over the last week. South Island controlled storage decreased 2.1 % to 2,430 GWh; South Island uncontrolled storage increased 22.6 % to 360 GWh; with Taupo storage decreasing 9.5 % to 124 GWh.
Hydro Watch - 23 April 2020, Issue 1,201
By Ruth Heron, April 23, 2020
Total storage increased 27.2 GWh over the last week. South Island controlled storage increased 0% to 2,483 GWh; South Island uncontrolled storage increased 10.2 % to 294 GWh; with Taupo storage decreasing 0.3 % to 137 GWh.
Covid-19 and Electricity Demand
By Greg Sise, April 21, 2020
A thought on everyone’s mind these days, or at least those involved in electricity supply, is what is Covid-19 doing to electricity demand? Well, the answer to this question is not simple, and we are working on it, but the answers will come highly qualified by the uncertainty surrounding the disease in New Zealand, the econ
Hydro Watch - 16 April 2020, Issue 1,200
By Ruth Heron, April 16, 2020
Total storage decreased 5.2 GWh over the last week. South Island controlled storage decreased 0.7% to 2,482 GWh; South Island uncontrolled storage increased 12% to 266 GWh; with Taupo storage decreasing 10.6% to 138 GWh
Hydro Watch - 9 April 2020, Issue 1,199
By Ruth Heron, April 9, 2020
Total storage decreased 180.9 GWh over the last week. South Island controlled storage decreased 4.9% to 2,500 GWh; South Island uncontrolled storage decreased 11.2% to 238 GWh; with Taupo storage decreasing 12.7% to 154 GWh.
Hydro Watch - 2 April 2020, Issue 1,198
By Ruth Heron, April 6, 2020
Total storage decreased 121.1 GWh over the last week. South Island controlled storage decreased 3.3% to 2,628 GWh; South Island uncontrolled storage decreased 5.8% to 268 GWh; with Taupo storage decreasing 7.3% to 177 GWh.
Hydro Watch - 26 March 2020, Issue 1,197
By Ruth Heron, March 26, 2020
Total storage decreased 129.8 GWh over the last week. South Island controlled storage decreased 3.5% to 2,719 GWh; South Island uncontrolled storage decreased 0.9% to 284 GWh; with Taupo storage decreasing 13.7% to 190 GWh.
Covid-19 Business Continuity
By Greg Sise, March 25, 2020
Energy Link is working as normal, from home, during the Alert Level 4 lock-down, while we all get the virus under control. Contact us as normal, via email landline or mobile. That’s really all you need to know, but more details are in the blog.