Welding Electrode Making Machine By Deccan Dynamics
EVS and Smart Grid Integration
1. June 5, 2013
EVS and Smart Grid Integration
ANA M MEDINA
DTE ENERGY
EVS and Smart Grid Integration
ANA M MEDINA
DTE ENERGY
Workplace Charging
Hawk Asgeirsson, P.E.
Manager - Power Systems Technologies
DTE Energy
asgeirssonh@dteenergy.com
3. DTE Energy –
Electric & Gas Regulated Businesses
• Tenth largest US electric
utility
• 7,600 square mile service
• 2.1 million customers
• $4.9 billion in revenue
• Gen Capacity: 11,084 MW
• Annual Sales: 50,000 GWH
DTE Electric
• Eleventh largest US natural
gas utility
• 14,700 square mile service
territory throughout
Michigan
• 1.2 million customers
• 679 bcf of gas sales
• $1.8 billion in revenue
DTE Gas
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4. DTE Residential Program
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42%
58%
Flat
Charging Behavior
(Avg. % Usage during Off-Peak per customer)
Off Peak On Peak
85%
15%
TOU
Charging Behavior
(Avg. % Usage during Off-Peak per
customer)
Off Peak On Peak
PEV RATE OPTION #1
Time of Use (TOU)
PEV RATE OPTION #2
Flat Monthly Bill $40
Average Flat Rate Bill =
$41.60
Average TOU Bill = $30.
Incentive: Up to $2,500 to 2,500 Detroit Edison customers for EVSE & installation.
Two separately metered PEV rates offered – Flat Rate and Time-of-Use
(on-peak 9 AM to 11 PM M-F)
EV Rate (D1.9)1
Option
1
On-Peak 18 cents/kWh
Off-Peak 7.7cents/kWh
Option
2
Monthly Flat Bill: $40
Limited first 250 customers
Requires a 240 V separate meter
circuit
5. Workplace/Public Installations
DOE Workplace Challenge Partner
Installed/facilitated 78 public/workplace
charging station in SE Michigan
54 at DTE Energy facilities
34 are publicly available
Internal education
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6. Workplace/Public Installations
Installation cost Level 2 – 240 volt
$2,500 - $15,000
Installation cost Level 1 – 120 volt
$0 - $1,000
What does it cost to charge
Average charge 4.5 kWh ~ 50 cents
INL public charging data
8.4 kWh/week day ~ $1 per day (12 cents/kWh)
15 DTE Energy employees own or lease
a PEV
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7. Workplace Charging Challenges
Education and best practices for workplace
charging
Installation options – Level 1 or Level 2
Internal employee users group
Who pays?
DOE EV Everywhere Workplace Challenge
calstart.org
evworkplace.org
goelectricdrive.com
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