water efficiency – a dry topic · price cap does not encourage water efficiency revenue...
TRANSCRIPT
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WATER EFFICIENCY – A DRY TOPIC
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6 July 2012 2Yarra Valley Water Ltd
WATER CONSERVATION PREVENTED MELBOURNE’S STORAGES FROM RUNNING DRY
No water conservation With water conservation
Storages empty!
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DEFINITIONS:
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Water conservation: Saving water May impact amenity or lifestyle(eg. to prevent running dry)
Water efficiency:Minimising water use per unit of activity
Water without compromising value eg. current lifestyle
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GOVERNANCE AND ECONOMIC ISSUES
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1. Price setting arrangement encourages investment in infrastructure
2. Price cap discourages water efficiency
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GOVERNANCE ISSUE NUMBER 1 PRICE SETTING ARRANGEMENT ENCOURAGES INVESTMENT IN INFRASTRUCTURE
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Opex
Wholesaler charges
Return on Investments
Cost
5.7% WACC
Revenue requirement
Encouraging capital investment?
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GOVERNANCE ISSUE NUMBER 2 PRICE CAP DOES NOT ENCOURAGE WATER EFFICIENCY
Revenue requirement Actual
Sales
Deficit
Price Cap: Discourages water efficiency due to risk of deficit
Revenue requirement
Forecast
Sales
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COST RECOVERY WITH REVENUE CAP
Revenue requirement
Forecast
Sales
Revenue Cap: Removes uncertainty Potential benefits for customers Neutral w.r.t. water efficiency
Actual Sales
Actual Sales
Pass FULL surplus on to customers price decrease
Up to 2% price increase passed on to customers
Revenue requirement
Revenue requirement
Deficit
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WHY INVEST IN WATER EFFICIENCY
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- Environment benefits
- Customers want to save water
- Economic and financial benefits
- Customer benefits
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CUSTOMERS WANT TO SAVE WATER
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- Community expects it
- Customer benefits
- Environment benefits
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DRIVERS THAT SUPPORT INVESTMENT IN WATER EFFICIENCY
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1. THE COST OF WATER IS RISING
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2. LOWER DEMAND SMALLER SYSTEMS LOWER COSTS
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Last review of design standards**
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LOWER DEMAND IS SUSTAINABLE
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Personal Effectiveness (PE)
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DEFERRED AUGMENTATION OF SUPPLY
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700
600
500
400
300
Volume (GL/ year)
Demand Scenarios
Supply Scenarios
2012 2020 2030 2040 2050 2060
Year
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HOW LONG CAN WE DEFER FOR?
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2012 2022 2032 2042 2052 2062
Wet climate, low demandMedian climate, medium demandDry climate, high demandDry climate, bounce back demand
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BENEFITS OF DEFERRING AUGMENTATION
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Net P
rese
nt C
ost B
enef
it ($
milli
on) 4,000
3,000
2,000
1,000
00 5 10 15 20
Years deferred
Return to dry climate, bounce back demandDry climate high demandMedian climate, medium demandWet climate, low demand
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BENEFITS FOR CUSTOMERS
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HOW WE IMPLEMENT WATER EFFICIENCY
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DRIVERS FOR CHANGES IN WATER EFFICIENCY SPEND
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Use Revenue
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WATER EFFICIENCY – A DRY TOPIC!
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