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Hunter Valley Water Users Association 14 June 2019
WaterNSW 2
Hunter River Drought Operations 2019-20 Hunter Valley Water Users - - PowerPoint PPT Presentation
Hunter River Drought Operations 2019-20 Hunter Valley Water Users - - PowerPoint PPT Presentation
Hunter River Drought Operations 2019-20 Hunter Valley Water Users Association 14 June 2019 Work Approval 2 WaterNSW Water Sharing Plan 3 WaterNSW Comparison to historical droughts Comparison of Drought Inflows - Glenbawn & Glennies Ck
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Water Sharing Plan
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Comparison to historical droughts
50 100 150 200 250 6 12 18 24 30 36 Cumulative Inflows in GL
- No. of Months
Comparison of Drought Inflows - Glenbawn & Glennies Ck Dams (Drought Inflows for 36 Months Starting
in July)
July 1939 - Jun1942 July 1979 - Jun 1982 July 2015 - Jun 2018 July 2016 - June 2019 Current Drought July 2017 - May 2019
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Comparison of drought inflows – Burrendong Dam
Drought inflows for 36 months
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Water Account Balances 31 May 2019
31-May-19 Row Labels Sum of Share Component Sum of Account Balance Sum of Available Water Sum of AWD Vol Sum of Carryover In Sum of Allocation Assignments In Sum of Allocation Assignments Out Sum of Account Limit Forfeits Sum of Potential Carryover Sum of Usage DOMESTIC AND STOCK 1,569 1,385 1,385 1,561
- 185
DOMESTIC AND STOCK [DOMESTIC] 144 143 143 144
- 1
DOMESTIC AND STOCK [STOCK] 103 64 64 103
- 39
LOCAL WATER UTILITY 10,832 3,771 3,419 10,832
- 7,061
MAJOR UTILITY [POWER GENERATION] 36,000 31,611 31,611 36,000 21,574
- 31,611
25,963 REGULATED RIVER (GENERAL SECURITY) 128,544 91,873 90,049 127,815 25,835 11,302 13,420
- 27,947
60,492 REGULATED RIVER (HIGH SECURITY) 21,740 12,785 11,985 21,737 4,108 3,562 1,443 4,114 4,350 11,068 SUPPLEMENTARY WATER 48,519 43,526 43,526 48,502
- 4,993
Grand Total 247,451 185,157 182,181 246,694 51,517 14,863 14,863 4,114 63,907 109,801
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Resource Assessment
Planning horizon July 2019 – June 2022
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1 July 2006 – Glenbawn 286GL (37.3%), Glen’s Ck 109GL (38%)
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1 June 2007 Glenbawn 213GL (28.4%), Glenn Ck 71GL (25%), 15 Feb 2008 Glenbawn 359GL (47.9%), Glenn Ck 135GL (47.5%)
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200 400 600 800 1000 1200 1400 1600 1800
Flow ML/days
Liddell flows v Target Flows and Glenbawn Releases 2018/19
Liddell Flow Liddell WSP Target Glenbawn release
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50 100 150 200 250 300 350 400
Flow ML/days
Singleton Flows v Target Flows 2018/19
Singleton Flow Singleton Operational Target
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100 200 300 400 500 600 700 800 900 1000
Flow ML/days
Greta flows v Target Flows and Glennies Releases and Hunter flows u/s junction 2018/19
Greta flow Greta WSP target Hunter u/s Glennies junction Glennies Creek release
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Hunter Cumulative Totals Sales + Environmental delivery Operational Surplus Actual Target July 8,855 1,108 13% 5% August 18,300 1,187 6% 5% September 19,086 1,955 10% 5% October 24,801 4,228 17% 15% November 39,212 4,399 11% 15% December 55,393 6,389 12% 15% January 56,107 6,751 12% 15% February 63,763 6,751 11% 15% March 72,315 7,540 10% 15% April 105,386 9,748 9% 15% May 116,787 9,755 8% 15% June 0% 15%
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Operational Surplus
0% 5% 10% 15% 20%
Operational Surplus / Sales (%)
Hunter River - Water Delivery Operational Surplus Vs Sales - 2018-19 Cumulative %
(regulated licenced is included in sales)
Target below 5%
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- End of Presentation
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