1. “Innovation & Performance
in
Irrigation Management”
www.etwater.com

2. © 2012 ETwater Systems, Proprietary and Confidential – Not for Distribution
2

4. Agenda
• Landscape Water Conservation Technology
• Drivers..
̶
Water used in landscapes – 20-40% vs.. conventional systems
Reduction in runoff and other visible water waste
Improved plant health and vitality
Increased management efficiency
Utility subsidization
Compelling ROI
̶
̶
̶
̶
̶
• Barriers..
–
–
–
–
Paradigm shift from conventional irrigation management
Lack of trust
Training/education/adoption lags technology
Participation is voluntary
1. CS Energy Policy RepoWA “End Uses of Water”
© 2012 ETwater Systems, Proprietary and Confidential – Not for Distribution
4

5. Fast Facts about ETwater
• Founded in 2002
– Celebrating 10 years leading innovation and water savings
• Planned and Consistent Growth
– 2012 volume up 70% over 2011
– Staff growth of 40% since 2010
– Expanded from regional to national sales & distribution since 2011
• Numerous new products and services in 2011 and 2012
– Hardware: HermitCrab; Rain Bird 50-pin Panel
– Software: At-a-Glance Dashboard; Budgeting Tools
• “Reshored” manufacturing to USA from China in 2011
• 95% annual customer retention rate
© 2012 ETwater Systems, Proprietary and Confidential – Not for Distribution

6. How the ETwater System Works
3.
1. User enters landscape profile
online, saved in cloud
2. Local weather stations capture
weather and rainfall data
3. ETwater servers compute
EvapoTranspiration and daily
irrigation schedules
2.
1.
5.
4. Field-based smart controllers
connect wirelessly with servers to
exchange schedules and data
5. Smart controllers execute daily
irrigation schedules
© 2012 ETwater Systems, Proprietary and Confidential – Not for Distribution
6

7. EvapoTranspiration (the ET in ETwater)
• ET is the loss of water from the
earth & plants to the atmosphere
– Evaporation from ground
– Transpiration from plants
• ET changes as weather changes
• Different plants have different ET
© 2012 ETwater Systems, Proprietary and Confidential – Not for Distribution
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10. Case Study: Denver Campus
• 37% reduction in annual water use after
installation of ETwater
• Reduced water consumption moved
client into lower billing tiers
• 64% dollar savings on annual water bill,
from $46,000  $16,500
Annual Water Bill ($$)
Annual Water Consumption
Tiered pricing accelerates savings
9,000
8,000
7,000
6,000
5,000
4,000
3,000
2,000
1,000
0
1,000s of gallons
8.5mm gal
$50,000
5.3mm gal
2010
2011
8,531
5,360
Annual Water Bill in $$
Landscape Water use
(1,000’ gal)
(1,000’s gallons)
$46,000/yr
$40,000
$30,000
$16,500/yr
$20,000
$10,000
$Annual Water Bill
2010
2011
$45,907
$16,495
© 2012 ETwater Systems, Proprietary and Confidential – Not for Distribution
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11. Managing Runoff & Other Water Waste
1. CS Energy Policy RepoWA “End Uses of Water”
© 2012 ETwater Systems, Proprietary and Confidential – Not for Distribution
11

12. Improved Plant Health & Vitality
•
•
•
•
Apply the right amount of water at the right time
Improved drought tolerance/disease resistance
Increased aesthetics
Increased property values
1. CS Energy Policy RepoWA “End Uses of Water”
© 2012 ETwater Systems, Proprietary and Confidential – Not for Distribution
12

13. Monitor & Manage from Any Connected Device
© 2012 ETwater Systems, Proprietary and Confidential – Not for Distribution
13

15. Utility Incentives/Rebates
• Southern Nevada Water Authority
– $200 per controller (not to exceed 50% of cost)
– Turf replacement incentives
• Denver Water
• 25% of purchase price of qualifying controller
• $2 per nozzle for high efficiency sprinkler nozzles
• Aurora, Colorado
• Irrigation efficiency rebates with water audit
• Turf replacement/landscape modification incentives
1. CS Energy Policy RepoWA “End Uses of Water”
© 2012 ETwater Systems, Proprietary and Confidential – Not for Distribution
15

16. Compelling ROI
• 20% - 40% reduction in landscape water use
• Capital cost recovery in 2 watering seasons – possibly less
• 50% (or more) of urban water use tied to landscape
• Reduction in embedded energy cost
• Subscription models supported through sustainable
water savings
• Remote management > increased labor efficiency
• Server-based architecture > continuous product
enhancement
1. CS Energy Policy RepoWA “End Uses of Water”
© 2012 ETwater Systems, Proprietary and Confidential – Not for Distribution
16

17. Landscape Water Conservation Technology
• Barriers to adoption






Departure from conventional irrigation management
Training/education/adoption lags technology
Building trust/confidence takes time
Early adopters tend to be scarce
Participation is voluntary
Water restrictions without alternatives to fixed day watering
1. CS Energy Policy RepoWA “End Uses of Water”
© 2012 ETwater Systems, Proprietary and Confidential – Not for Distribution
17

18. “When the well's dry, we
know the worth of water.”
Benjamin Franklin
Poor Richard's Almanac
1746
© 2012 ETwater Systems, Proprietary and Confidential – Not for Distribution
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19. Thank You
© 2012 ETwater Systems, Proprietary and Confidential – Not for Distribution
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