pa puc presentation 040915_yz
TRANSCRIPT
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NGA Governors’ AdvisorsEnergy Policy Institute
Rick Counihan April 16,2015
Nest Labs Confidential
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Agenda
Introducing the Nest Learning Thermostat
Current Studies of Energy Savings
Rush Hour Rewards
Seasonal Savings
Ideas for States
Nest Labs Confidential
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Nest Learning Thermostat
Beautiful design
Packed with sensors
A learning object
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Nest Labs Confidential
It’s easy
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Nest Labs Confidential
Compatible with ~95% of low voltage systems
Works out of the box with the following:
Heating: one, two and three stages (W1, W2, W3)
Cooling: one and two stages (Y1, Y2)
Heat pump: with auxiliary and emergency heat (O/B, AUX, E)
Humidifier or dehumidifier (HUM, DEHUM)
Fan (G)
Power (C, Rh, Rc)Connectors: R, Rh, Rc, W1, W2/Aux, Y1, Y2, O/B, C, G
*= W3, E, HUM or DEHUM
Pro installer can help Nest work with:
Dual fuel systems (heat pump + furnace)
Whole-home humidifiers or dehumidifiers
Not typically compatible with:
Line voltage, millivolt systems, or low voltage systems withincompatible wires (some require installation of common wire)
Remote or floor sensors (S) [< 1%]
Proprietary systems [< 1%]
Incompatible 5%
New Nest20%
Original Nest75%
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Time to TemperatureLearns how long it
takes to heat and cool
Early onGet the temperature you
want when you want it
SunblockAdjusts to direct
sunlight
Auto -AwayNotices when you’re out
to help s ave energy
Auto-ScheduleLearns your schedule and
helps you save
L eaf
Guides you towards moreenergy efficient settings
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AirwaveUse less air conditioning
while staying cool
Filter R eminder
Uses system runtime toe stimate replacement
S ys tem MatchTurns on features to keepyou comfortable and help
you s ave
True RadiantLearns and gives you apredictable schedule
Heat Pump BalanceLearns and optimizes howoften you need expensive
auxiliary heat
Cool to DryUses A/C to dehumidify your
home
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eUpstairs
oDownstairs
oProtect
Ff l
s. l V l hi ' f t-
A5 fZ> 'ft- 0 G)Thu 4
111111111 1111 111• l
L
II • • l ..
Wed 3 ..,Tue 2 1!1 • ....
Mon 1 ... ...
UpstairsSun 30 2 • •
Sat 29 1 1 1 4 ti•
Fri 28
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Nest Labs Confidential
Energy History
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Monthly Energy Report
Open Rate: 60%(3x industry standard)
Click-through rate: 5.6%
(3-6x industry standard)
Nest Labs Confidential
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Energy Savings
Nest Labs Confidential
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Traditional Thermostat S avings E stimates and Claims
•US DOE: 5%-15% savings per 8 hour setback per day
•US EPA: save $180/year (but dropped Energy Star designation in 2009)
•Nest: “could cut 20% off your heating and cooling bill” vs. constant set point
(customer specific)
•Ecobee: “customers in the US saved an average of 23% on their heating and
cooling costs” vs. constant 72°F
•Carrier: “homeowners saved an average of 20% on their heating and cooling
energy costs” vs. constant 72°F
•Tado: “cut your heating bill by up to 31%”vs. constant 68°F
Nest Labs Confidential
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Pre-Nest
Energy Use Energy Savings
Nest Findings: Gas and E lectric Savings
Heating savingsn = 735
10%
18%
February,2015.Study performed by Nest Labs.
Cooling savingsn = 624
COOLING
Nest Labs Confidential
Fuel HVAC Total % of HVAC
Natural Gas (therms/yr) 584 56 ±12 9.6% ±2.1%
Electricity: cooling, no heat (kWh/yr) 3,351 585 ±97 17.5% ±2.9%
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Independent Study #1 : Energy Trust of Oregon
‣ Electricity Savings:12% of heating use,781 kWh/yr
Savings attributed to strip heat control (Heat Pump Balance)‣
12%
89%
n = 185 heat pump customers, independent evaluation by Apex Analytics
Customer satisfaction‣High satisfaction:89%
‣ Improved Comfort:66%
Non-Energy Benefits: 34% say worth the cost even
without energy savings
‣
Heating electric savings
Nest Labs Confidential
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Independent Study #2 : Vectren Indiana
Heating savingsNatural Gas Savings:12.5% of heating use,69 th/yr
13%
14%Cooling savingsElectricity Savings:13.9% of cooling use,429 kWh/yr
n = 300, independent evaluation by Cadmus
Standard programmable thermostat group savings:5%heating, 13.1%cooling
Nest Labs Confidential
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Independent Study #3 : NIPSCo Indiana
Heating savingsNatural Gas Savings:13.4% of heating use,106 th/yr
13%
16%Cooling savingsElectricity Savings:16.1% of cooling use,388 kWh/yr
n = 400, independent evaluation by Cadmus
Standard programmable thermostat group savings:7.8%heating, 15% cooling
Nest Labs Confidential
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Independent Study: PA State-Wide Evaluator*
•Smart Thermostat w/Electric Heating and Cooling
Savings:10.5 %
Cost:
TRC:
$249
2.59
•Smart Thermostat w/Electric Cooling and Non-electric Heating
Savings:13.6%
Cost:
TRC:
$249
.45 (no credit for natural gas savings)
* “EnergyEfficiency Potential Study Final Report”,Statewide Evaluator Team,February 2015,pp.D-5,6, Original Measure Nos.2022, 2024.
Nest Labs Confidential
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Rus h Hour Rewards
Nest Labs Confidential
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Life with Rus h Hour Rewards
Auto-Tune™gold gear appears as soon as pre-cooling starts (if necessary)
“R ush Hour ” i s displayed during the actual event
You’re always in control
78RUSH HOUR
Nest Labs Confidential
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The results?
events completed
without adjustment
85%
kW reduction per
thermostat
1
cooling load
reduction
55%
Nest Labs Confidential
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Seasonal Savings
Nest Labs Confidential
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Seasonal Savings
Nest Labs Confidential
• Offered exclusively by Nest’s Energy Partners
• 0.7° average temperature increase
• 5-10% heating and cooling savings
• 65% completed program without adjustments
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Works with Nest
Nest Labs Confidential
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Capitalize on E E benefits of Nest ecosystemNest can send the “Away” signal to partner products
Lighting Appliances Load Switches Smart Plugs
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WaterHeaters
PoolPumps
240V, 30 AMP
Switch120 V, <1.8 kW
Switch
Window
A/C
Portable
Heater
Extend RHR to other devices in the homeNest can send the “Rush Hour Rewards” signal to partner products
Load Switches Smart Plugs EV Chargers
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State Ideas
New Low Hanging Fruit?
BYOT?
Statewide Seasonal Savings (MA DOER)?
New Kind of Demand Response (Uncertainty in DR Markets)?
Tool for Clean Power Plan ?