the energy-water nexus bringing together different perspectives water climate change is a key driver...
TRANSCRIPT
The Energy-Water NexusBringing Together Different Perspectives
Water• Climate change is a key
driver of water systems.• Current focus is water
sufficiency and climate change adaptation.
• Energy dimension provides new insights into mitigation potential in the water sector.
Energy• Energy systems drive
climate change• Current focus is energy
sufficiency and climate change mitigation.
• Water dimension provides new insights into how climate adaptation will affect energy systems.
1Charles Heaps, Ph.D. Director, US Center of SEI
A Few Nexus Issues• Hydropower• Cooling Water for Thermal
Power Systems• Energy for Desalination• Water and Land-use for
Biofuels• Energy for Agricultural
Pumping• Energy and Water for
Sewage Systems• Integrating Mitigation and
Adaptation
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Models to Support Nexus Policy• Rather than create new tools unfamiliar to both energy and water
professionals, link existing tools that are already widely used and credible in both fields.
• Provide insights to both groups as a way of starting dialogue between energy and water professionals.
• Over last two years, SEI has been developing such a system based on its existing modeling tools: LEAP (energy) and WEAP (water).
• Tightly coupled system where LEAP and WEAP run together and are dynamically linked: each tool can request data or results from the other.
• Common assumptions on scenarios, seasonal/time of day information, geographic boundaries
• Flexible enough to model a wide variety of energy-water issues.• Transparent & easy to use for a wide target audience, but powerful
enough to provide genuine insights.
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Long range Energy Alternatives Planning Systemwww.energycommunity.org
· Integrated energy planning and GHG mitigation assessment.
· Local, national, regional and global applicability.
· Energy, emissions and cost-benefit assessment.
· Fast, transparent, powerful data management, reporting & scenario building tools.
· Choice of methods: simulation/optimization & engineering/econometrics.
· Widely applied (1000s of users in 195 countries).
· Used by governments, NGOs, utilities, universities, consulting companies.
· Recent applications: 2012: Energy for All: 20 region global energy study for Rio+20
2010: Modeling to support the Massachusetts Clean Energy & Climate Plan
2009: Europe’s Share of the Climate Challenge
Water Evaluation And Planning Systemwww.weap21.org
• Integrated watershed hydrology and water planning model
• GIS-based, graphical drag & drop interface
• Physical simulation of water demands and supplies
• Additional simulation modeling: user-created variables, modeling equations and links to spreadsheets, scripts & other models
• Scenario management capabilities
• Groundwater, water quality, reservoir, hydropower and financial modules
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Results Displayed on the Map
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Linking Water and Energy Issues
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Limited hydropower & cooling water, increased energy requirements for pumping.
Increased energy requirements for desalination.
Water requirements for hydropower & thermal cooling
Water conservation
Hydropower & fossil generation
Wind & solar, less water-intensive cooling
Insufficient water for hydro and cooling, even with increased
groundwater pumping.
Still insufficient water--further enhance supply with
desalination.
Electricity demand
Energy efficiency
Fuel Use GHGs Local air pollutionCosts
Energy Demand
Water Demand
Water Supply
Energy Supply
Hydropower energy & cooling water requirements
Reduced water demands
Groundwater depletionWater quality
Unmet ecological flowsCosts
Status
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Beta version being tested: full release summer 2012
www.weap21.org www.energycommunity.org
Charles Heaps, Ph.D. Director, US Center of SEI [email protected]