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PANEL
Accountable Outage Program at Western Area Power
Administration’s Rocky Mountain Region
Orlando Reyes
Technical Writer, Power System Operations Western Area Power Administration
Accountable Outages at NPPD
Chris Overman Director, Safety and Human Performance
Nebraska Public Power District
Denver, ColoradoMarch 14th, 2018
Orlando Reyes
RMEL Transmission Planning and Operations Conference
Transmission Switching Operations
2RMEL, March, 14th, 2018
Power Marketing Administrations
• One of four PMAs under the Department of Energy
www.wapa.gov
3RMEL, March 14th, 2018
How WAPA is organized
• Market and deliver clean, renewable, reliable, cost-based hydroelectric power and related services
www.wapa.gov
Existing Accountable Outage Program
• Accountable = where we have control (preventative)
• Based on outage frequencies
• Monthly review within regional team members
4RMEL, March 14th, 2018
Future Accountable Outage Program
• Human Performance Focus
• Lessons learned methodology
• Communication venues
• Promote culture of learning and sharing
5RMEL, March 14th, 2018
Managing Accountable Outages …and Other Human Fallibility Issues
Chris OvermanDirector of Safety and Human Performance
Nebraska Public Power District
NPPD Transmission System
• 345kV, 230kV, 115kV• ~5200 miles of line/185 Substations • ~150 Technicians and Support Staff
– Lines/Subs/Construction/Metering
• Transmission Control Center – Doniphan • Experienced with Human-Caused Outages
Human Performance Improvement
• Four Pillars1. A Strategic Foundation2. Reduce Errors3. Manage Defenses4. Culture and Leadership
• Prevention, Detection, Correction (PDC)– Focus 80% on prevention and detection– Get the correction piece right the first time
Areas of Emphasis • Make it Visible
– Balanced Scorecard Indicator• Reinforce the Learning Organization
– Do Good Things with the Information – Searchable Lessons-learned Repository
• Formal Corrective Action Program– Event Classification Matrix – Monthly Steering Committee Meetings
• Training and Education – Individuals, Leaders, SME’s, Evaluators
• Technology – For Tracking Action Items, Trends, Observations
• Leadership – Inspire, Inform, Influence, Persuade
Drew, or Gunn?
Hurricane Harvey – Lessons Learned
Vincent Herrera Manager, South Texas Engineering
Texas New Mexico Power
Texas-New Mexico Power Company Hurricane Harvey Lessons Learned
March 14, 2018
Prepared by:Vincent Herrera, Manager - South Texas Engineering
Prepared for:RMEL
2
TNMP Service Areas
3
TNMP Affected Areas:Bay Area
Alvin Friendswood League City
Brazos Area Angleton Brazoria Sweeney West Columbia
Mainland Dickinson La Marque Texas City
TNMP Affected Service Areas
Comparison – Harvey to Ike
Hurricane Ike• Direct Hit• Serious Damage then
moved on• Wind Damage affecting
Facilities & trees throughout area
• Two weeks to restore all power
Hurricane Harvey• Glancing Blow• Multi-round Bad Storm
• Some wind and lightning, but mostly a flood event
• Restored service more quickly
4
Restoration Summary
5
Transmission and Industrial Summary No transmission outages No loss of service to industrial customers
Distribution Summary Distribution outages only Less than 20,000 at peak 1,720 Outages worked 77,968 customers restored
Equipment Damaged/Replaced Distribution Poles - 50 Pad-mount Transformers - 84 Overhead Transformers - 86 Meters – Approximately 700
Restoration Support Effort TNMP Field and Craft Employees – 171 TNMP Support Employees – 10 Contractors/ Foresters – 288 Additional support on standby – 61
6
Sweeney
7
Brazoria
8
Sweeney
9
INACCESSIBILITY
10
INACCESSIBILITY
TNMP Texas City Office
11
12
Logistics
TNMP - What We Did Well
EOP Plan AssessmentsLogisticsOutside ResourcesRestoration StatusCommunications
13
TNMP – Opportunities for Improvement
Assign Coordinators for Remote RegionsSecurity RestroomsFuel TrucksReview Plans for MealsPrepare Response for when Customer cannot
accept service
14
TNMP - Conclusions
EOP Plan WorksStaging Areas were not RequiredCommunication has improves since IkeReview allocation of Outside ResourcesReview methods of AssessmentRestoration and Status
15
QUESTIONS
THANK YOU
16
Unmanned Aircraft Transmission Line Maintenance Technology
Dusty Birge Owner
UAV Recon
Unmanned Aircraft Transmission Line
Maintenance Technology Dusty Birge
UAV ReconFt. Collins, CO - Solutions Providerwww.uav-recon.com
Specializing in Electrical Infrastructure & Aerial Thermography
RMEL’s Transmission Planning and Operations ConferenceMarch 14th-15th 2018
Agenda
sUAS Trending Services
Aerial Thermography
Case Studies
sUAS Overview (Optional)
Q&A
sUAS Trending Maintenance Services
sUAS – Drone – UAS – Unmanned Aircraft – Bird - Ship
Trending Service’s for “Maintenance Optimization”
Maintenance Inspections
Up Pole
Components & Hardware
Aerial Thermography
Structure Locating for GIS
Structure Inventorying
Rapid Damage Assessment
Condition & Maintenance Documentation
RoW Management
Vegetation Mapping
2D & 3D Maps
LIDAR
Topo Contour Maps
Risk Assessment Models
3 Types of External sUAS Business Models
Equipment Sales & Service
Drones, Software, Training
Distributor – No Flight Op’s
Repairs & Service Work
Service Provider
Equipment Owner
Flight Operations
‘Generalist’
Solution Provider
Service Provider +
Technical Analysis
Data Management
‘Specialist’
In-House Business Model
Utility is responsible for entire sUAS program, operations, and final product.
Sample Checklist Budget Impact BudgetMultiple Aircraft *FixedCharging System & Equipment *FixedField Tech - Laptop Computer & Mobile Tablet Fixed/AnnualOffice Tech - Desktop Computer & Server *FixedPre-Flight Software *Fixed/AnnualPost-Flight Software *Fixed/AnnualInsurance - Aircraft & General Liability AnnualSoftware & Hardware Training FixedTransportation AnnualPersonnel - Flight Ops & Data Management AnnualPersonnel - Management AnnualPer Deim, Travel, Project Costs Annual
* Flight Operations Dependent
Coverage RateCost / ROIScope of Ops
Visual Inspection Data Types
Photos or Video
(1) structure of ~ 25 photos (175MB)
(1) structure of 3:00 Minute Video (1GB)
Data based on previous slide 75 Miles; 24,270 Images; 1,005 Structures; 160GB of Image Data
Photos are easier to file, search, markup, share, and analyze
Videos offer significantly higher amounts of data recording
Extracting stills from video isn’t efficient
Data sizes will vary due to market available sensor options
Stitched & Processed Data
3D Point Cloud
2D Orthomosaic
LIDAR
https://vimeo.com/236642814
http://134.249.136.27/demo/uav.01/#14/40.8595/-99.5880
Understanding Capabilities& Limitations
Tool- a device or implement, used to carry out a particular function; or to be equipped to carry out
a particular function or process. Not all tools are alike!
Aerial Thermography
Thermography Accuracy Factors
45 4540 4330 4115 36
0 33-15 29-30 26-40 24
Smaller Span = Finer Detail
Why is 'Span' important?
Span = 85 o Span = 21 o
Spot Size Ratio =
Span & Spot Size Ratio
Ground Vs Air - View Comparison (Video)
https://www.youtube.com/watch?v=CmdqesPWgQY&feature=youtu.be
How is Aerial Thermography Different
Substation & Line Inspections Smaller Span
SSR Angle – More Accurate
Physically Safer
Visual + Thermal
Patrol Faster +(10) mph vs ground based
*based on default camera settings
Missed during nighttime ground thermographer
(3) Case Studies
Rapid Response – Outage & Damage Patrol
69kV Loop Circuit – Ground Patrolled 2x
(1) Pilot Flew ~90 structures, 400 Photos / 2GB Data
Issue Identified via sUAS, confirmed by Bucket Truck
Utility Cost to Patrol - $1,680 (3) day
sUAS Cost to Patrol - $1,500 (1) day
Plan a sUAS Response Integration
By planning ahead of time, sUAS operators can have pre-programed travel routes; grid understanding,
and faster in-field coverage.
Case Study #1
Maintenance Optimization – w/Circuit Comparison
(30) Poles @
9.6%
(14) Poles @
2.4%
(45) Poles @
38.1%
By using sUAS & maintenance optimization strategies, utilities can budget condition-based repairs and prioritize maintenance on distinct identified
structures, vs percentage of grid, resulting in more ‘critical repairs’ completed per year, which meet traditional maintenance minimums.
• Figures based on actual circuits flown in 2018• Visual Inspection Only – Live 69kV SubT• Each section 15 days or less• Higher Procurement Accuracy
a Estimated contractor costs for climbing maintenance of $500/poleb Estimated in-house costs for climbing maintenance of $300/poleSavings Estimate factors sUAS inspection costs of $75/poleExcludes Material Costs for Repairs
$119ka
$ 63kb$239ka
$126kb$31ka
$17kb
$206k - $389k Savings Estimate on (916 total) Structures @ 91.1%
Structures Considered Critical (89 total) @ 8.9%
Case Study #2
Substation Thermography
Ground Based Method
~ $100/sub; 30 minutes per site, Nighttime only
(1) thermal advisory
~(1.5) total man hrs including report & analysis
Aerial Thermography Method
~$800/sub; Nighttime + Daytime (2 hrs total)
(9) thermal advisories; (2) visual advisories
~(5) total man hrs including report & analysis
Case Study #3
sUAS Overview
FAA – Laws & RegulationsPart 107 – Commercial Operation Guidelines
Flights up to 400’ AGL
sUAS weight limited to less than 55 lbs
Daylight Operations Only
Pilot in Command (PIC) must maintain ‘Line of Sight’
No operations over people or moving vehicles
Can not operate from moving vehicle
Class G only, Other airspace requires ATC approval
Pilot can operate only 1 sUAS at a time
FAA does not regulate Privacy or Data Acquisition
Federal Regulation – Not State Regulated
*Most guidelines above have Waivers & Exceptions which permit legal operations outside of these parameters.
sUAS Platform Categories *Electrical & Industrial Applications
AceCore NEO
DJI Matrice 100DJI Matrice 210
BAAM TECH Futura Aeryon SkyRanger
Multi-Rotor$5k - $40k
Asset Inspection> 30 min flight time
Multiple Payload OptionsManual & Autonomous Flight
Fixed Wing$12k - $20k
Mapping & Photogrammetry Large Coverage Area< 45 min flight time
Fully Autonomous Flight
Advanced Operation$50k +
Inspection & MappingSecure Networks
Extended flight timesLIDAR & Complex Payloads
Intel Falcon 8Pulse Vapor
SenseFly Ebee
Q&A
Key Takeaways
Dusty BirgeUAV ReconFort Collins, COwww.uav-recon.com970-451-1896
• Pick the right tool for the job
• Multiple sUAS is preferred
• Find ‘Specialists’
• Start program with fastest ROI to gain buy in
• Leverage Volume
• Pick 2: Price – Speed – Quality
• _____________________________
• _____________________________
• _____________________________
• _____________________________
Case Study for Long Range Beyond Visual Line of Sight (BVLOS) UAS
Project
Jason Kack VP, Product Delivery
DataSight, Inc.
James Oliver VP, Technology DataSight, Inc.
© 2014 HDR Architecture, Inc., all rights reserved.© 2014 HDR Architecture, Inc., all rights reserved.© 2014 HDR Architecture, Inc., all rights reserved.© 2014 HDR, Inc., all rights reserved.© 2014 HDR, Inc., all rights reserved.© 2014 HDR, Inc., all rights reserved.© 2016 HDR, Inc., all rights reserved.
March 15, 2018 | RMEL Transmission and Planning Conference
Case Study for Long-Range Beyond Visual Line of Sight Project
© 2016 HDR, Inc., all rights reserved.
Helicopters In Transmission Inspection• Helicopters will always have a place in
transmission construction and repair• Transmission inspection services will be
predominantly replaced with Unmanned Aerial Systems (UAS)
• Safer• Higher resolution• Repeatable• Autonomous • Ever increasing variety of sensor technologies
• UAS use limited by inspection distance and cost
Beyond Visual Line of Sight Inspections
Current FAA Part 107 require an elusive waiver to fly beyond the visual line of sight (BVLOS) of the pilot
FAA is starting to support more test cases proving the safety of flying safely BVLOS
There are many approaches to safely flying BVLOS (radar, ADS-B, remote ATC). We have been testing the Visual Flight Rule (VFR) approach
In comparison to overall costs, the economics of helicopters to UAS starts to tip in the favor of UAS at 10 mile inspection flights
BVLOS adoption will be process of sensor technology, flight technology and regulatory process
The Four “C”s of BVLOS
Craft
Communication
Control
Collision
Professional Grade UAVs – Payload & Endurance
Fill’r upPlug me in
Communication
• Cellular• Bonded Cellular• Microwave• Satellite • Combination• Live Video Feed• Current technologies working at 5 miles
Control• Line of Sight (LOS)
• Pilot-in-command (PIC)• Visual Observer (VO)• PIC is always in visual sight of craft
• BVLOS• Visual Flight Rules (VFR)• Sense and Avoid Technology• Real time video transmission• Ability to control craft• Quit on command• Collision avoidance
Collision Avoidance
Traditional Data Management
BVLOS Mission Planning – Universal Data Collection
New Paradigm for Power Company Data Management
Professional GIS Knowledge workers Executive access Public engagement Work anywhere Enterprise integration Contractors
Supporting the Entire Organization
Process to Successful UAS Program Development
Needs• Identify data users• Optimize data collection efforts to meet the needs of most users
Quality• Precision, Accuracy, Reliability, Repeatability and Data Security• Data Quality Objectives (DQOs)
Sensors• Select sensors to best meet DQOs• Understand optimal flying conditions for sensor (altitude, spacing, speed, etc.)
Craft• Initial screening of UAS craft to carry sensors for expected mission length• Final selection based on environmental conditions (weather, portability)
Product• Field check procedures for validating data collection• Processing of data for specific for users (.las, DEM, .dwg)
Workflow• Document workflow from flight operations to data storage• Encourage user feedback for continuous workflow improvement
UAS Sensor Technology
LiDAR• Terrain mapping• Volume quantification• Ground surface mapping• Change detection• Feature detection• Permitting• Vegetation Encroachment
Multispectral / Hyperspectral• VNIR and SWIR• Very high resolution (0.1
m)• Vegetation health
Corona• Coronal discharge• Daylight Use• Video of discharge and
emitter
Magnetic• Subsurface Anomaly• Exploration• Pipeline location• Well head clearance
Thermal• Water temperature• Heat loss• Mechanical stress• Pipeline leaks
Imagery• Vegetation assessment• Cultural resources• Photogrammetry• Infrastructure Condition
Inspection
LiDAR versus Photogrammetry
• LiDAR is more accurate• Penetrates vegetation• Classification of features• Planimetrics• Not impacted by shadows• Construction details• PLS-CADD Ready
UAV Image Example from Phase I 100 Mega
Pixel Camera at 20 meters
Image Zoom with
1.7 mm GSD
LiDAR Data Collection• Transmission lines• Distribution lines• Substations
Choice of craft is based primarily on payload and endurance
Use over critical infrastructure should also evaluate onboard redundancy in electronics and flight motors
Imagery and LiDAR need stability Autonomous versus pilot control Mission simulation Emergency landing considerations
UAS Craft Selection Considerations
BVLOS Flight Mission• 10 mile survey in central Nevada
• Performed with Nevada Institute for Autonomous Systems (NAIS)
• Flight operations performed by AviSight a DataSight partner
• LiDAR and imagery collect
• Pulse Aerospace Vapor 55 with RIEGL VUX-1 UAS LiDAR
Mission planning
• UAS Altitude• UAS velocity• Flight pattern• Data density• GPS RTK Base Station• Ground Panels for calibration• Ground shots as quality
control• Flight simulation
Data Collection Mission Planning for LiDAR• Density – Points per square meter
(ppsm)
• Field of View
• Number of returns
• LiDAR pattern
• LiDAR intensity
• LiDAR wavelength
• Colorization
2 Return LiDAR 7 Return LiDAR
Colorized and non‐Colorized Point Cloud
LiDAR Scan PatternFlight planning is different between side to side scanning versus down facing circular pattern LiDAR
Direct and Positional Communications During Visual LOS UAS Flight Operations
BVLOS for 10‐Mile Transmission Line Data Collect10 Miles
LiDAR Processing
• Inertial Measurement Unit Correction• Static Base Station
• RTK versus PPK• Core Station
• Calibration• Quality Control• Point cleanup• Classification• Planimetrics• Digital terrain model (DTM)• Digital elevation model (DEM)
IMU
GNSS Antenna
LiDAR Point Cloud Ready for Evaluation
Data Evaluation – Data Density Drives New Methods
The automatic analysis of images and videos by computers for event detection, object recognition, tracking, etc.
Achieved thru writing computer programs that apply filters to remove noise and look for patterns and anomalies.
• Reading license plates as you pass thru toll gates• Reading money inserted into vending machines• Inspecting apples to determine if there are bruises• Warning drivers when they are drifting out of their lane• Facial recognition/biometric security checks
…and many more
AI or Computer Vision is used in many places
Simple Example –Woodpecker Holes
IncludeStep 1. Train the model
Exclude
AI Program analyzes image: highlighting holes that are over 1” wide
(yellow) highlighting holes that are over 2” wide (red)
Step 2: Run AI Pattern Recognition Program
Step 3: Review Results
Inputs: Pole 7-76-114 today and from an image 12 months ago
Step 1. Train the model – (model is already trained)Step 2. AI Program analyzes image
A) highlighting holes that are 10% larger B) highlighting new holes
Step 3: Review results
Insight into Action – only ”active” poles need treatment
Woodpecker Inspection – Part 2
Step 3: Review Results
Insight into Action – only ”active” poles need treatment
Inspection Workflow
UAS offers a technology to safely collect higher quality data BVLOS technology is advancing and supporting regulatory adoption Understanding data needs and quality is part of UAS mission planning Data management has to be part of the planning process Larger data sets will likely require some degree of automation Long-term goal is better use of data to optimize uptime and increase worker safety
Conclusions
Questions
Non-contact EMF-based Transmission Line Monitoring
Jonathan Marmillo Business Development Manager
Genscape
www.genscape.com | © 2017 Genscape Incorporated. All rights reserved.
Non-Contact Transmission Line Monitoring and Dynamic Line Rating Jonathan Marmillo, Business DevelopmentM: 484-368-4630E: [email protected]
LineVisionTM
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Agenda
Introduction to Genscape
LineVision Technology
Measurement Concept
Asset Management Strategies
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Introduction to Genscape
Leading provider of Energy Market Data and Systems- Serving leading generators, utilities, industrials, integrated energy companies
and regulators with fundamental data and forecasts to bring transparency to energy markets and manage risk
- Founded in 2000
- Over 500 employees; US-based with offices in CA, CO, KY, MA, NJ, NY, TX
- European offices in: Amsterdam, Zurich, London, & Hamburg
- Over 5,000 transmission line monitors deployed worldwide
- Nearly 100 patents in areas of monitoring, analytics & business process
Provider of LineVision Transmission Line Monitoring Systems Genscape LineVision Monitor
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The Genscape LineVision System
Features & Capabilities:
• Non-contact, ground-based transmission line monitoring system
• No need for outages, utility crews, or heavy equipment
• Secure web interface to view and download data
• Secure EMS data feed option
• Complete turnkey solution, including installation and warranty
Real-Time Data Fields:
• Dynamic Line Ratings (DLR)
• Short Term Emergency Limits
• Forecasted Ratings
• MW, MVAR, Power Factor
• Loading/Current
• Conductor Sag/Clearance
• Conductor Temperature
• Icing & Galloping DetectionGenscape LineVision Monitor
at installation
© 2017, Genscape Incorporated. All rights reserved.Genscape – LineVision5
LineVision™: Non-Contact Clearance and Temperature Monitoring
Principle of Operation:• Measure AC magnetic (B) field amplitude, phase and vector orientation in several locations• Determine conductor clearance/sag by adjusting circuit-geometry EMF model to agree with sensor data• Determine conductor temperature based on sag/temperature analysis• Over time: Adjust sag/temperature coefficients based on as-built observations
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Measurement of Electromagnetic FieldTransmission Line EMF Patterns Relate to
Conductor Sag/Temperature LineVision EMF Monitor Schematic
Wireless data transfer
Electrometer (E-field) measures voltage
Inductive coil magnetometers measure:Horizontal B-fieldVertical B-field
Analog-to-Digital Converter samples 60 Hz waveform from each sensor at ~10 kHz
Hot Conductors
CoolConductors
Ground Level
LineVisionEMF Monitors
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LineVision EMF Monitoring: Monitored Loading/Current vs. SCADA
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Line Monitoring from the Real-Time Operations perspective
DLRs are very favorable relative to static ratings, and 5-min STE ratings are even higher.
Circuit A CurrentCircuit B Current
Circuit A
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Average ampacity this hour of day
5th percentile of ampacity
95th percentile of ampacity
Actual current loading (hourly avg. and 5th, 95th percentiles)
Static rating
DLRs typically peak in mid-afternoon.
DLRs are lowest in early AM hours.
DLR hourly trends reflect average wind speed distributions:
-Calm in the early AM
-Windy in the afternoon
Hourly Wind Speed(Average with 5th/95th percentiles shown)
Time-of-Day Ratings Profiles
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The Overall Asset Management Strategy
Asset Reliability Asset Health Asset Optimization
Clearance Monitoring
Icing & Galloping Detection
Capacity Utilization
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Asset Management - Clearance Monitoring
115kV, Southwest USA
Loading Pattern:Early Morning Peak
Monitor & Trend Conductor Sag
True-Up PLS-CADD Models
Anomaly Detection & Variance Algorithms
LiDAR Verification
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Asset Management – Icing Detection
Ice Detection algorithm is based on a comparison of observed vs. expected:
• Conductor temperature • Conductor clearance
…under actual loading and weather conditions.
-10
0
10
20
30
2/3 2/4 2/5 2/6 2/7 2/8
Tem
pera
ture
(deg
C)
Ambient TemperatureIEEE738 Conductor TemperatureGenscape Monitored Conductor Temperature
0
1
2
3
2/3 2/4 2/5 2/6 2/7 2/8
Icin
g R
isk
Sco
re Icing Probability ScoreAlert Threshold
10.5
11.0
11.5
12.0
12.5
2/3 2/4 2/5 2/6 2/7 2/8
Line
Cle
aran
ce (m
)
Expected ClearanceObserved Clearance
Conductor temperature discrepancy
Conductor clearance discrepancy
Icing alert sent to operator
Improve Situational Awareness
Prevent Asset Damage
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Asset Management – Galloping Detection
Galloping Detection algorithm is based
on the detection of a low-frequency
harmonic signature
Galloping alert sent to operator
Improve Situational Awareness
Prevent Asset Damage
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Asset Management – Capacity Utilization
CIGRE Grid of the Future 2016 Paper: Model historical Dynamic Line Ratings for a 161kV Line and correlate to times of market congestion.
Primary Mode of Constraint: Wind Driven Congestion
A
B
Engineering Assumptions:
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97% of the time, extra capacity was available
3% of the time, reliability may have been at risk
Asset Management – Capacity Utilization
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Asset Management – Capacity Utilization
Binding Constraint: Breached
Shadow Price: < -$700
November 7th 2017 - morning hours
Real-Time LMP Pricing Contour Map
Studied Line – Flow Gate
November 7th 2017 –Later that day… 3:05pm MT
Peak Convective Cooling Hours
Asset Capacity Not Optimized
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US: +1 502 583 3435
EU: +31 20 524 4089
© 2016, Genscape Incorporated. All rights reserved.Genscape – LineVision17
Jonathan MarmilloE: [email protected]: +1 484-368-4630
US: +1 502 583 3435
EU: +31 20 524 4089