Melbourne, 17 th November 2008 Future-proofing the Basin Prof Mike Young, The University of Adelaide Where are water markets taking us?

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Presentation transcript:

Melbourne, 17 th November 2008 Future-proofing the Basin Prof Mike Young, The University of Adelaide Where are water markets taking us?

Scarcity and Trading  Source: Murray Darling Basin Commission, Trading has enabled adoption of new technology and “greenfield” development 93/94

Benefits of trading Psi-Delta 2007 Bjornlund and Rossini 2007

But we have traded into trouble We traded off flawed entitlement, accounting management systems –Activated licences without reducing allocations to others –Did not offset impact of Forestry Farm dams Ground – surface water interaction Increased water-use efficiency Increased overland flow harvesting Salinity interception Adverse climate change and long drys were not included adequately in water sharing plans Problems more than over-entitlement and over- allocation

Reliability is being eroded Source: Waterfind Annual Water Market Report

Need full system specification A challenge for the MDB Authority and its plan Especially as it may not be able to specify the environment’s share without support from all states

Water needed to ensure conveyance EntitlementsEnvironment Flood water Shared Water Entitlements Volume of water available Environment with a fully-specified share

$1.8billion now or up to $3.1 billion over 10 years?

How much water will $1.8b buy? At $3,000 per ML of cap equivalent 1 GL costs $3,000,000 1,810,000,000/$3,000,000 = 603 GL Plus Living Murray Plus infrastructure $$$

Waterfind Annual Report Transparency –Timely price information not available –Trading rule discovery is difficult –Announcement discipline is lacking –Governance processes are awkward Liquidity –Permanent market –4% and 10% rules impeded trade –Tagging is impeding trade Administration –Slow between regions Settlement procedures –Slow

Temporary water price 07/08 Source: Waterfind Annual Market report Announcement Policy Transparency Carry-over

Waterfind report Temporary price reached $1,200 per ML –Inexperience with scarcity Carryover announcement –Trade volume doubled before announcement –Price nearly doubled immediately after announcement Price rise towards the end of the irrigation season –Due to carry over Federal Government buy back –Put a floor in the market –Created speculative uncertainty Interstate entitlement trade nearly stopped – (Exchange Rate Regime) ML – (Tagged Trading Regime)200 ML

4% trade out & max 10% decoupled 4% limit on trade out –Sellers get less money –Less structural adjustment (exit) –Less income for state and nation 10% limit on unbundled ownership –Stops Environmental water holder from buying as much has already been unbundled for tax and investment reasons

Exit fees Would be more efficient if replaced with a variety of supply contracts Infrastructure redundancy and obsolescence should be anticipated and planned for Need new business model

2032 Water Price $/KL with 15% less water and 5 million more people in Current Water price*No Initiative Urban Rural Trade Sydney Melbourne Brisbane-Moreton Adelaide Perth ACT Urban and Rural Trade

Water trading frontiers 1.Fewer brokers and larger markets –A single trading platform? 2.Linked ground-surface water right –Ground-surface trading and river ownership of groundwater 3.Trading systems that allow access within two days 4.A single allocation announcement system –All users in all MDB states informed of a change in the same way