eric rehm, positive energy becc, 1 dec...
TRANSCRIPT
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Community self-reflection: Public electricity displays motivate conservation and efficiency actions Eric Rehm, Positive Energy BECC, 1 Dec 2011
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Bainbridge Island 28 square miles 23,000 inhabitants 6,800 single-family homes
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Electricity Usage: Our Challenge
70% usage is residential 66% heat electrically 54% built pre-1980 Average home: 2500 ft2
Exceeding capacity on two of three substations
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0
2000
4000
6000
8000
10000
12000
14000
16000
18000
20000
National
Other
PSETerritory
BainbridgeIsland
Hydro
Coal
10,65611,700
19,000
kWh / year
EIA, 2005 PSE, 2009 WA DoC, 2009
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Build more?
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Use less?
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Use Less!
4000 Home Energy
Assessments
2000 energy upgrades
2 MW demand reduction (-3.5%)
150 new renewable
energy systems
Create 65 jobs
1540
200+
< 58 MW limit
In process
21
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Information for Action
How much energy are we using right now?
What are our patterns of usage?
How do they relate to time of day? Time of year?
Can this help us meet our goals?
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Where?
How much? When?
Action Trigger
Hey Bainbridge! Time to #POWERDOWN. Use less electricity from 6-9am Tu-We Nov 23-24. Make sure water heater is set @ 120°F. Follow @REPOWERBI
Hey Bainbridge! Great work! You're keeping power < PSE limit. Call for a FREE home energy assessment from RePower Bainbridge: 1-877-741-4340
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Build a team
Project managers: Eric, Matt Data analysts: Eric, Matt Information scientist: Marilyn Software and Flash development: Eric, Marilyn, Joe Support: Tim, Rick, Joe
Our code is Open Source, but implementation specific
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Kudos to Puget Sound Energy
Real-time data available Champions Transparency Trust
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(Fogg 2009)
1. Shift resistive heating demand
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(Fogg 2009)
0
10
20
30
40
50
60
Bainbridge PSE
1. Shift resistive heating demand 2. Green Sounders, sense of place, public
places
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1. Shift resistive heating demand 2. Green sounders, sense of place, public
places 3. Not knowing what to do when
(Fogg 2009)
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(Fogg 2009)
1. Shift resistive heating demand 1. Shift resistive heating demand 2. Green sounders, sense of place, public
places
1. Shift resistive heating demand 2. Green sounders, sense of place, public
places 3. Not knowing what to do when
1. Shift resistive heating demand 2. Green sounders, sense of place, public
places 3. Not knowing what to do when 4. Low-cost digital signage
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1. Shift resistive heating demand 2. Green sounders, sense of place, public
places 3. Not knowing what to do when 4. Digital signage 5. University energy dashboards
(Fogg 2009)
1. Shift resistive heating demand
(Pulse Energy, 2011)
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1. Shift resistive heating demand 2. Green sounders, sense of place, public
places 3. Not knowing what to do when 4. Digital signage 5. Electricity displays in dorms, multi-tenant
buildings 6. Fire danger sign
(Fogg 2009)
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1. Shift resistive heating demand 2. Green sounders, sense of place, public
places 3. Not knowing what to do when 4. Digital signage 5. Electricity displays in dorms, multi-tenant
buildings 6. Fire danger sign 7. Quick design reviews; Flash; Linux-Apache-
MySQL-PHP
(Fogg 2009)
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1. Shift resistive heating demand 2. Green sounders, sense of place, public
places 3. Not knowing what to do when 4. Digital signage 5. Electricity displays in dorms, multi-tenant
buildings 6. Fire danger sign 7. Quick design reviews; Flash; Linux-Apache-
MySQL-PHP 8. Larger displays; other time periods
(Fogg 2009)
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Linux Server XML JPEG
WiFi Digital Picture Frames
JPEG
Substation Readings
XML
LED Flat Screen
PC
Web browser,
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Success
It’s working: RePower making good progress towards goals.
It’s working: 70% have seen the display and found it informative.
It’s working: For similar degree-day weather, we have stabilized or reduced peak demand through behavioral and smart grid actions.
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Challenges Maintaining volunteer concentration Strategy: well-organized team meetings
Graphic details matter (e.g., day & night, maps) Find a good graphic designer / information scientist Contact us!
Difficult to tease out effect of the display from other community-based social marketing efforts
Hard to do quantitative validation in volunteer project. Benchmark community energy efficiency performance with
data
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Community Energy Baseline
(Pulse Energy, 2010)
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