The Water:Energy Nexus

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• The WaterEnergy Nexus

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GE Focused on helping the world overcome
unprecedented challenges
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Water Energy Nexusboth challenges must be
addressed together
... is needed to generate ENERGY
... is needed to generate WATER
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Nexus 1 6-18 of a citys energy demand is
used to produce, treat transport water
ENERGY
WATER
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Solution 1 Distributed water power right
mix, right place, right price
WATER
ENERGY
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Nexus 2 Higher technology to treat impaired
water requires higher energy demand
ENERGY
WATER
Membrane
Other OM 33
Capital 33
Energy 33
Thermal (MED)
Other 24
Capital 31
Energy 45
Membrane replacement, Chemicals, Labor,
Maintenance
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Solution 2 Joint technology development driving
energy and cost out
WATER
ENERGY
The cost of desalination with GE membranes has
fallen by more than 80 in the last two decades
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Nexus 3 Declining reservoir levels reduce
hydro generating capacity
ENERGY
WATER
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Solution 3 Reduce water consumption, replenish
reservoirs, alternative energy sources
WATER
ENERGY
Cauley Creek water reuse facilityrestoring lake
levels by treating municipal wastewater
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Nexus 4 Power generation requires large
quantities of water
ENERGY
WATER
gt50 of global industrial water consumption is
used to generate power
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Solution 4 Reduce water consumption per MW
produced
Align optimum water source with consumption need
1) Baseline water energy footprint 2) Identify
efficiency opportunities 3) Prepare optimization
plan engage stakeholders 4) Execute calibrate
Optimize water energy consumption in boiler,
cooling and fuel systems
Convert waste streams into value minimize risk

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Nexus 5 Energy exploration production
generates large quantities of wastewater
ENERGY
WATER
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Solution 5 Advanced wastewater solutions
reduce water losses and enable water reuse
WATER
ENERGY
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• Backup

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The Global Water Challenge
Whiskey is for Drinking Water is for
Fighting. Mark Twain
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Enabling the future with portfolio solutions
Desalination Solutions
Product Water
Residential Products
Municipal Solutions
Utility Solutions
Industrial Wastewater
Process Chemicals Separations
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50 percent The number of people who don't have
access to the quality of water available to the
citizens of Rome 2,000 years ago
Source Blue Planet Run, Smolan, Erwitt
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40 billion The number of hours spent each year in
Africa due to the need to collect and haul water
Source Blue Planet Run, Smolan, Erwitt
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5.3 billion The number of people - two-thirds of
the world's population - who will suffer from
water shortages by 2025.
Source Blue Planet Run, Smolan, Erwitt
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1.1 billion The number of people worldwide - 1 in
every 6 - without access to clean water
Source Blue Planet Run, Smolan, Erwitt
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1.8 million The number of children who die each
year from waterborne diseases - one every 15
seconds
Source Blue Planet Run, Smolan, Erwitt
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The Global Energy Challenge
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Nexus 6 Indias huge energy demand creates
huge water demand
ENERGY
WATER
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Solution 6 Indias water and energy challenges
can be solved simultaneously
WATER
ENERGY
Wastewater treatment reuse
Integrated alternative energy
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World energy consumption will increase with
increasing population
Projections
History
CAGR (1970-2015) 1.80
World Marketed Energy Consumption 1970-2025
(Quadrillion Btu)
Major energy consumption increase will be in the
Emerging economies
CAGR Compounded Annual Growth Rate
Source EIA International Energy Outlook2005
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GE Power Water

• Combining the best of GE to solve the worlds
  biggest challenges

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