Home Energy Monitoring
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Transcript of Home Energy Monitoring
giving people power over energy
in conjunction with
Home Energy ManagementWhat you need to know…
Presented byKC Jacobson
VP Business Development
Knowledge is Power
How can consumers
benefit?
What is the Smart Grid?
Inspired by• increasing demand, especially at peak• rising rates• need to accommodate renewable input• improve reliability & security• need for more flexibility
Moving from 1-way centralized networkTowards dynamic decentralized networks with bidirectional flow of energy AND DATA
Interconnected by Communications that Reach Every Device
Smart Grid:It’s All About Communication
Advanced Sensors and Computing
Electrical Power System From Generation to End Use
Today’s Reality for Consumers
Energy Prices Rising• Cost of electricity
increases every year
• New Smart Meters are coming
Increased “Green” Sensibility• Dependence on
foreign energy sources
• Reducing carbon footprint
Retail Price of Electricity in California
5.000
8.500
12.000
15.500
19.000
1980 1985 1990 1995 2000 2005 2010
Cen
ts/
kw
h
1U.S. Energy Information Administration Report
Deregulation Experiment
Consumers are motivated to make changes.
400
500
600
700
800
900
0 5000 10000 15000 20000 25000 30000 35000 40000 45000
(MW)
$/M
WH
1California Energy Commission, “An Action Plan to Develop More Demand Response in California’s Electricity Markets”
Electric Company Motivation
Peak Demand is the Enemy• Higher cost of generation
= Lower margins• Operating costs are increasing• Permits for new
power plants and distribution lines increasingly difficult to obtain
Total C os t of P roduc tion(inc luding debt s ervic e and
operating c os ts )
R etail P rice
Cost of Electricity Generation in California
Traditional Tools are are Limited
Information on the Electric Bill
• Utility bills hard to understand
• Tiered rates are confusing
• Consumers don’t know what individual appliances, etc. cost to use
Electric Company Energy Audits
• Based on standard profiles & forms
• No actual data on personal energy use
• Recommendations can be expensive, inconvenient
Smart Meters Alone Won’t Change This
Default communication is utility Smart Meter
Rate structures will become more sophisticated
• Time of Use (TOU) Metering
• Rates can change every 15 minutes to reflect utility costs
• Utility may offer rebates & discounts to encourage energy efficiency
To Benefit…Consumers MUST be Proactive!
What does this mean for me?
Need real-time data…
• Big picture:Effectively reduce peak demand
• Closer to home:Reduce utility bills
Can’t change behavior without feedback
Access to usable data will save you $$$
Don’t forget Privacy considerations
Home Energy Management Systems (HEMS) are the Solution
Variety of Systems Available• Meet needs of all types of consumers• Many price points• Levels of detail & control
Types of monitoring & management• Monitor & control devices
(programmable thermostats)• Monitor whole home – HW and/or SW• Monitor circuit-by-circuit
or room-by-room
HEMS Communications to Suit Every Need
Internet - Google, MicrosoftDevice display –TED, KillAWatt, Thermostats WiFi – Tendril, Control 4ZigBee – Control4, EcoDog, smart appliancesPowerLine Carrier (PLC) – EcoDog
Control Philosophies
Set it & forget it – e.g. thermostatsUtility control – usually in exchange for rate discountInteractive consumer control• Software• HardwareHybrid models
Benefits of HEMS
“Prius” Effect: Awareness half the battleTypical savings 10-25%Added savings by identifying “Energy Hogs”• Faulty appliances• Older devicesMore savings from:• Control capabilities • Usage analysis
Impact on Alternative Energy
Home Energy Management can enable consumer to optimize alternative energy installationsSome systems include detailed monitoring of energy input as well as demandCan enhance efficiency and help calculate return on investment
Changing Consumer Behavior
‘Prius Effect’Solutions as individual as consumers• Utility bill vs affordability• Choices for those who want more control• Alternatives for those who want utility to
control• Some will chose to do nothing
Utility Incentives will be key• Rate structures• Rebates & incentives• How incentives delivered to consumers
The Results
Savings for consumers can be significantPotentially the most effective means to:• Reduce costs• Reduce energy consumption• Reduce carbon emissions• Reduce need for new power plants