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News: Hydro Watch


Hydro Watch - 23rd November 2017

By Shelley Mackay, November 23, 2017

Total storage decreased 106.7 GWh over the last week. South Island controlled storage decreased 2.5% to 1637 GWh; South Island uncontrolled storage decreased 15.5% to 303 GWh; with Taupo storage decreasing 2% to 455 GWh.


Hydro Watch - 16th November 2017

By Greg Sise, November 17, 2017

Total storage decreased 48.6 GWh over the last week. South Island controlled storage decreased 1% to 1679 GWh; South Island uncontrolled storage decreased 2.2% to 358 GWh; with Taupo storage decreasing 4.7% to 465 GWh. 


Hydro Watch - 9th November 2017

By Shelley Mackay, November 9, 2017

Total storage increased 209.7 GWh over the last week. South Island controlled storage increased 8.8% to 1696 GWh; South Island uncontrolled storage increased 20.8% to 367 GWh; with Taupo storage increasing 2% to 487 GWh.


Hydro Watch - 2nd November 2017

By Shelley Mackay, November 2, 2017

Total storage decreased 118.5 GWh over the last week. South Island controlled storage decreased 2.4% to 1560 GWh; South Island uncontrolled storage decreased 18.5% to 303 GWh; with Taupo storage decreasing 2.4% to 478 GWh.


Hydro Watch - 26th October 2017

By Shelley Mackay, October 26, 2017

Total storage decreased 46.3 GWh over the last week. South Island controlled storage increased 0.4% to 1598 GWh; South Island uncontrolled storage decreased 13.2% to 372 GWh; with Taupo storage increasing 0.8% to 489 GWh.


Hydro Watch - 19th October 2017

By Shelley Mackay, October 19, 2017

Total storage decreased 79 GWh over the last week. South Island controlled storage increased 2% to 1591 GWh; South Island uncontrolled storage decreased 15% to 429 GWh; with Taupo storage decreasing 6.7% to 485 GWh.


Hydro Watch - 12th October 2017

By Shelley Mackay, October 12, 2017

Total storage decreased 46.1GWh over the last week. South Island controlled storage increased 1.3% to 1560 GWh; South Island uncontrolled storage decreased 17.7% to 505 GWh; with Taupo storage increasing 8.8% to 520 GWh.


Hydro Watch - 5th October 2017

By Shelley Mackay, October 5, 2017

Total storage increased 41.6 GWh over the last week. South Island controlled storage increased 8.3% to 1540 GWh; South Island uncontrolled storage decreased 8.8% to 613 GWh; with Taupo storage decreasing 3.5% to 478 GWh.


Hydro Watch - 28th September 2017

By Shelley Mackay, September 28, 2017

Total storage increased 274.8 GWh over the last week. South Island controlled storage increased 14.2% to 1421 GWh; South Island uncontrolled storage increased 17.9% to 672 GWh; with Taupo storage decreasing 0.8% to 496 GWh.


Hydro Watch - 21st September 2017

By Shelley Mackay, September 21, 2017

Total storage increased 372.6 GWh over the last week. South Island controlled storage increased 14.5% to 1245 GWh; South Island uncontrolled storage increased 59% to 570 GWh; with Taupo storage increasing 0.7% to 500 GWh.


Hydro Watch - 14th September 2017

By Shelley Mackay, September 14, 2017

Total storage increased 46.1 GWh over the last week. South Island controlled storage decreased 1% to 1087 GWh; South Island uncontrolled storage increased 7.5% to 358 GWh; with Taupo storage increasing 6.9% to 496 GWh.


Hydro Watch - 7th September 2017

By Shelley Mackay, September 7, 2017

Total storage decreased 62.7 GWh over the last week. South Island controlled storage decreased 2.3% to 1098 GWh; South Island uncontrolled storage decreased 12.1% to 333 GWh; with Taupo storage increasing 2% to 464 GWh.


Hydro Watch - 31st August 2017

By Shelley Mackay, August 31, 2017

Total storage increased 27.3 GWh over the last week. South Island controlled storage increased 1.4% to 1124 GWh; South Island uncontrolled storage decreased 2.8% to 379 GWh; with Taupo storage increasing 5.2% to 455 GWh.


Hydro Watch - 24th August 2017

By Shelley Mackay, August 24, 2017

Total storage increased 227.7 GWh over the last week. South Island controlled storage increased 12.7% to 1108 GWh; South Island uncontrolled storage increased 20.8% to 390 GWh; with Taupo storage increasing 9% to 433 GWh.


Hydro Watch - 17th August 2017

By Shelley Mackay, August 17, 2017

Total storage increased 168.9 GWh over the last week. South Island controlled storage increased 8.7% to 983 GWh; South Island uncontrolled storage increased 8.7% to 323 GWh; with Taupo storage increasing 19.2% to 397 GWh.


Hydro Watch - 10th August 2017

By Shelley Mackay, August 10, 2017

Total storage increased 39.1 GWh over the last week. South Island controlled storage decreased 1.5% to 904 GWh; South Island uncontrolled storage increased 18.3% to 297 GWh; with Taupo storage increasing 2% to 333 GWh.


Hydro Watch - 3rd August 2017

By Shelley Mackay, August 3, 2017

Total storage decreased 9 GWh over the last week. South Island controlled storage decreased 0.9% to 918 GWh; South Island uncontrolled storage increased 10.4% to 251 GWh; with Taupo storage decreasing 7% to 326 GWh.


Hydro Watch - 27th July 2017

By Shelley Mackay, July 27, 2017

Total storage increased 118.1 GWh over the last week. South Island controlled storage increased 0.5% to 926 GWh; South Island uncontrolled storage increased 22.2% to 227 GWh; with Taupo storage increasing 25.9% to 351 GWh.


Hydro Watch - 20th July 2017

By Shelley Mackay, July 20, 2017

Total storage decreased 126 GWh over the last week. South Island controlled storage decreased 7.9% to 921 GWh; South Island uncontrolled storage decreased 5.5% to 186 GWh; with Taupo storage decreasing 11.6% to 279 GWh.


Hydro Watch - 13th July 2017

By Shelley Mackay, July 13, 2017

Total storage decreased 149.7 GWh over the last week. South Island controlled storage decreased 8.2% to 1000 GWh; South Island uncontrolled storage decreased 14% to 197 GWh; with Taupo storage decreasing 8.2% to 315 GWh.


Hydro Watch - 6th July 2017

By Shelley Mackay, July 6, 2017

 Total storage increased 1.4 GWh over the last week. South Island controlled storage decreased 2.2% to 1089 GWh; South Island uncontrolled storage increased 10% to 229 GWh; with Taupo storage increasing 1.4% to 343 GWh.


Hydro Watch - 29th June 2017

By Shelley Mackay, June 29, 2017

Total storage decreased 92.5 GWh over the last week. South Island controlled storage decreased 7.1% to 1113 GWh; South Island uncontrolled storage increased 3.7% to 208 GWh; with Taupo storage decreasing 4.2% to 339 GWh.


Hydro Watch - 22nd June 2017

By Shelley Mackay, June 22, 2017

Total storage decreased 108 GWh over the last week. South Island controlled storage decreased 7.9% to 1199 GWh; South Island uncontrolled storage increased 14.3% to 201 GWh; with Taupo storage decreasing 7.9% to 353 GWh.


Hydro Watch - 15th June 2017

By Shelley Mackay, June 15, 2017

Total storage decreased 134.9 GWh over the last week. South Island controlled storage decreased 9.1% to 1302 GWh; South Island uncontrolled storage increased 20.5% to 176 GWh; with Taupo storage decreasing 8.2% to 383 GWh.


Hydro Watch - 8th June 2017

By Shelley Mackay, June 8, 2017

Total storage decreased 199.1 GWh over the last week. South Island controlled storage decreased 7.9% to 1432 GWh; South Island uncontrolled storage decreased 22.4% to 146 GWh; with Taupo storage decreasing 7.5% to 418 GWh.


Hydro Watch - 1st June 2017

By Shelley Mackay, June 1, 2017

Total storage decreased 142 GWh over the last week. South Island controlled storage decreased 5.4% to 1555 GWh; South Island uncontrolled storage decreased 7.2% to 188 GWh; with Taupo storage decreasing 7.8% to 452 GWh.


Hydro Watch - 25th May 2017

By Shelley Mackay, May 25, 2017

Total storage decreased 118.5 GWh over the last week. South Island controlled storage decreased 4.3% to 1645 GWh; South Island uncontrolled storage decreased 9.6% to 202 GWh; with Taupo storage decreasing 4.5% to 489 GWh.


Hydro Watch - 18th May 2017

By Shelley Mackay, May 18, 2017

Total storage decreased 61.7 GWh over the last week. South Island controlled storage decreased 4.2% to 1719 GWh; South Island uncontrolled storage decreased 15.6% to 224 GWh; with Taupo storage increasing 12.1% to 512 GWh.


Hydro Watch - 11th May 2017

By Shelley Mackay, May 11, 2017

Total storage decreased 35.7 GWh over the last week. South Island controlled storage decreased 3.7% to 1795 GWh; South Island uncontrolled storage increased 32.7% to 265 GWh; with Taupo storage decreasing 6.7% to 457 GWh.


Hydro Watch - 4th May 2017

By Shelley Mackay, May 4, 2017

Total storage decreased 77.5 GWh over the last week. South Island controlled storage decreased 5.7% to 1863 GWh; South Island uncontrolled storage increased 31.7% to 200 GWh; with Taupo storage decreasing 2.5% to 489 GWh.


Hydro Watch - 27th April 2017

By Shelley Mackay, April 27, 2017

Total storage decreased 224.7 GWh over the last week. South Island controlled storage decreased 6.5% to 1976 GWh; South Island uncontrolled storage decreased 17.4% to 152 GWh; with Taupo storage decreasing 9.8% to 502 GWh.  


Hydro Watch - 20th April 2017

By Shelley Mackay, April 20, 2017

Total storage increased 63 GWh over the last week. South Island controlled storage increased 1.7% to 2115 GWh; South Island uncontrolled storage increased 7.3% to 183 GWh; with Taupo storage increasing 2.8% to 557 GWh.


Hydro Watch - 13th April 2017

By Shelley Mackay, April 13, 2017

Total storage decreased 141 GWh over the last week. South Island controlled storage decreased 5% to 2079 GWh; South Island uncontrolled storage decreased 15.5% to 171 GWh; with Taupo storage remaining steady at 542 GWh.


Hydro Watch - 6th April 2017

By Shelley Mackay, April 7, 2017

Total storage decreased 55.5 GWh over the last week. South Island controlled storage decreased 4% to 2181 GWh; South Island uncontrolled storage decreased 11.8% to 202 GWh; with Taupo storage increasing 13.2% to 542 GWh.


Hydro Watch - 30th March 2017

By Shelley Mackay, March 31, 2017

Total storage decreased 138.3 GWh over the last week. South Island controlled storage decreased 4.5% to 2280 GWh; South Island uncontrolled storage decreased 14.2% to 229 GWh; with Taupo storage increasing 1.3% to 479 GWh.


Hydro Watch - 23rd March 2017

By Shelley Mackay, March 23, 2017

Total storage decreased 166.2 GWh over the last week. South Island controlled storage decreased 4.7% to 2386 GWh; South Island uncontrolled storage decreased 12.1% to 267 GWh; with Taupo storage decreasing 2.6% to 473 GWh. 


Hydro Watch - 16th March 2017

By Greg Sise, March 16, 2017

Despite the recent deluge, total storage decreased 132 GWh over the last week. South Island inflows have plummeted.

Electricity market


Hydro Watch - 9th March 2017

By Shelley Mackay, March 10, 2017

Total storage decreased 203.4 GWh over the last week. South Island controlled storage decreased 4.1% to 2623 GWh; South Island uncontrolled storage decreased 16.3% to 362 GWh; with Taupo storage decreasing 4.7% to 439 GWh. 


Hydro Watch - 2nd March 2017

By Shelley Mackay, March 2, 2017

Total storage decreased 190.6 GWh over the last week. South Island controlled storage decreased 2.2% to 2734 GWh; South Island uncontrolled storage decreased 20.2% to 433 GWh; with Taupo storage decreasing 4.3% to 461 GWh.


Hydro Watch - 23rd February 2017

By Shelley Mackay, February 24, 2017

Total storage decreased 74.4 GWh over the last week. South Island controlled storage decreased 1.2% to 2794 GWh; South Island uncontrolled storage decreased 15.5% to 543 GWh; with Taupo storage increasing 14.1% to 482 GWh.

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