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.
Hydro Watch - 19 March 2020, Issue 1,196
By Michael Cawte, March 19, 2020
Total storage decreased 201.5 GWh over the last week. South Island controlled storage decreased 3% to 2816 GWh; South Island uncontrolled storage decreased 20.1% to 287 GWh; with Taupo storage decreasing 16.4% to 221 GWh.
Hydro Watch - 12 March 2020, Issue 1,195
By Ruth Heron, March 12, 2020
Total storage decreased 152.1 GWh over the last week. South Island controlled storage decreased 2% to 2,902 GWh; South Island uncontrolled storage decreased 16.2 % to 359 GWh; with Taupo storage decreasing 8% to 264 GWh.
Hydro Watch - 5 March 2020, Issue 1,194
By Michael Cawte, March 5, 2020
Total storage increased 75.5 GWh over the last week. South Island controlled storage increased 4.5 % to 2962 GWh; South Island uncontrolled storage decreased 4 % to 428 GWh; with Taupo storage decreasing 10.7 % to 287 GWh.
Hydro Watch - 27 February 2020, Issue 1,193
By Ruth Heron, February 28, 2020
Total storage decreased 234.9 GWh over the last week. South Island controlled storage decreased 3.3 % to 2,835 GWh; South Island uncontrolled storage decreased 19.6 % to 446 GWh; with Taupo storage decreasing 8 % to 321 GWh.
Hydro Watch - 20 February 2020, Issue 1,192
By Michael Cawte, February 20, 2020
Total storage decreased 208.8 GWh over the last week. South Island controlled storage decreased 0.2 % to 2933 GWh; South Island uncontrolled storage decreased 23.6 % to 555 GWh; with Taupo storage decreasing 8.1 % to 349 GWh.
Hydro Watch - 13 February 2020, Issue 1,191
By Ruth Heron, February 14, 2020
Total storage decreased 368.5 GWh over the last week. South Island controlled storage decreased 5.6 % to 2,939 GWh; South Island uncontrolled storage decreased 18.7 % to 727 GWh; with Taupo storage decreasing 6.5 % to 379 GWh.
Hydro Watch - 6 February 2020, Issue 1,190
By Michael Cawte, February 10, 2020
Total storage increased 782.4 GWh over the last week. South Island controlled storage increased 9 % to 3114 GWh; South Island uncontrolled storage increased 161.4 % to 894 GWh; with Taupo storage decreasing 6.1 % to 406 GWh.
Hydro Watch - 30 January 2020, Issue 1,189
By Michael Cawte, January 30, 2020
Total storage decreased 95.4 GWh over the last week. South Island controlled storage decreased 0.6 % to 2857 GWh; South Island uncontrolled storage decreased 14.1 % to 342 GWh; with Taupo storage decreasing 4.8 % to 432 GWh.
Hydro Watch - 23 January 2020, Issue 1,188
By Ruth Heron, January 23, 2020
Total storage decreased 92.2 GWh over the last week. South Island controlled storage increased 0.9 % to 2,874 GWh; South Island uncontrolled storage decreased 17.8 % to 398 GWh; with Taupo storage decreasing 6.3 % to 454 GWh.
Hydro Watch - 16 January 2020, Issue 1,187
By Michael Cawte, January 16, 2020
Total storage decreased 54 GWh over the last week. South Island controlled storage increased 0.9% to 2850 GWh; South Island uncontrolled storage decreased 12.8% to 484 GWh; with Taupo storage decreasing 1.7% to 485 GWh.