Microgrids and Infrastructure
Resiliency
RPI Microgrid Workshop
Stuart Nachmias
October 10, 2013
Consolidated Edison, Inc.
Con Edison Company of New York (CECONY)
•
3.3 million electric
customers
•
•
•
1.1 million gas customers
•
Load density
1,717 steam customers
Peak demand: 13,322 MW
(7/19/2013)
–
–
CECONY and O&R
delivered 43% of
NYS 2012 electric
peak consumption
CECONY: 22 MW/sq mi
Manhattan: 146 MW/sq mi
Orange and Rockland (O&R)
•
303,000 electric
customers
•
•
131,000 gas customers
Peak demand: 1,617 MW
(8/2/2006)
2
Avenue D at East 14th Street
3
Battery Park Underpass
4
Overhead Damage in Queens
5
Underground Resiliency
Approach
Solution
Harden Infrastructure
Elevate Equipment
Flood Barriers
Submersible Equipment
Fiber-optic Cable
Increase Grid Flexibility
Network Reconfiguration
Increased Automation
Sectionalizing Switches
Enhanced Communications
Remote Monitoring and Control
6
The Utility of the Future
Traditional grid structure
Future grid structure
Solar PV
Smart building technology
Sensors and
monitoring
Electric
vehicles
Sensors and monitoring
•
•
Customers receive electricity
•
•
Grid as a sole source
Dedicated networks with limited
resources
Real-time data/control
Customer-sited generation
Customer-sited generation
•
•
Customers receive/feed electricity
•
Grid as a sole source, back-up, and
two-way flow
•
Increased real-time data/control
Networks with shared assets and
layered customer resources
7
Con Edison Smart Grid Strategy
• Expand T&D Smart Grid technology with
proven benefits
–
Distribution
Automation
82%
DOE Stimulus Smart Grid
Investment Grant Projects
• Continue to develop / demonstrate
emerging Smart Grid technologies with
less certain benefits
–
DOE Stimulus Smart Grid Demonstration
Projects
8
Smart Grid Investment Grant
Flushing Network
• Installation of underground
autoloop and underground
wireless controlled
switches
• Reduces severity
Sub Network A
Sub Network B
Sub Network C
and likelihood
of a network event
• Increases flexibility
during contingencies
Substation
9
Smart Grid Demonstration Project
Interoperability of Resources
•
Con Edison Distribution System
Status integrated with Customer
Resources
•
Targeted Demand Response
from the following
–
–
Building Management System (BMS)
–
Controller Connected to Electric
Vehicle Charger with
Standby Battery and PV Generation
–
ThinkEco Modlets
Controller Connected to Standby
Diesel Generator
Visualization Platform
10
Smart Grid and Resiliency Converge
Micro-networks
•
•
•
•
Utilize Latest Technology
Harden Components
Mitigate Impact
Facilitate Restoration
11
Overhead Resiliency
Approach
Solution
Harden Infrastructure
Tree Trimming
Selective Undergrounding
New Pole Designs
Resilient Cable Designs
Increase Grid Flexibility
Increased Automation
Reduced Customer Density per Circuit
Smart Switches
Isolation Devices
Enhanced Communications
Remote Monitoring and Control
Automatic Meter Infrastructure
12
Overhead Distribution Initiatives
Patented Enhanced Autoloop
RADIO
RADIO
FEEDER
STATION
F1
BREAKER
FEEDER 1
CONTROL
CENTER
MIDPOINT
Before
RADIO
TIE
RADIO STATION
RADIO
RADIO
RADIO
MIDPOINT
RADIO
STATION FEEDER
F2
BREAKER
FEEDER 2
RADIO
STATION
BREAKER
FEEDER 1
EMERGENCY
FEEDER F3
BACKUP
FEEDER
F1
RADIO
MIDPOINT
After
RADIO
TIE
RADIO
MIDPOINT
RADIO
STATION FEEDER
F2
BREAKER
FEEDER 2
RADIO
EMERGENCY
FEEDER F4
BACKUP
Smart Switch
13
Microgrid Vision
• Hybrid utility grid solutions
–
–
Micro-networks paired with local
generation sources
Smart building technology
Spot networks with mobile
generator back-up
Sensors and
monitoring
• Benefits
–
Support customer and community
needs during emergencies
–
Manage customer demand during
peak periods
–
Manage utility investment needs
Solar PV
Electric
vehicles
Sensors and monitoring
Customer-sited generation
14
Microgrid Challenges
• Customer goals
• Load density
• Developing the business case
• Regulatory framework
15
Next Steps for Con Edison
• Continue to evolve smart grid investments
• Seek funding to develop initial microgrid projects
• Identify technical and business issues
• Examine regulatory models and experiences
–
–
United States
International
16