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©2011 Copyright. Confidential and proprietary to The Structure Group, LLC. ©2011 Copyright. Confidential and proprietary to The Structure Group, LLC.
Integration of a Wind Generation Fleet
Into a Company Portfolio… And Lessons Learned
1
The Structure Group
©2011 Copyright. Confidential and proprietary to The Structure Group, LLC. ©2011 Copyright. Confidential and proprietary to The Structure Group, LLC.
Introductions
2
Bob Knox
Sr. Manager – Energy Management and Control Systems
(302) 545-4656
©2011 Copyright. Confidential and proprietary to The Structure Group, LLC. ©2011 Copyright. Confidential and proprietary to The Structure Group, LLC.
Agenda
• Case Study – Exelon Wind
• Integration Spectrum– Wind Farm SCADA
– Data Collection and Historian
– Monitoring, Display, & Reporting
– Trade & Settlement Systems
• Lessons Learned
• Future State
3
Today, we will focus on…
©2011 Copyright. Confidential and proprietary to The Structure Group, LLC. ©2011 Copyright. Confidential and proprietary to The Structure Group, LLC.
Agenda
• Case Study – Exelon Wind
• Integration Spectrum– Wind Farm SCADA
– Data Collection and Historian
– Monitoring, Display, & Reporting
– Trade & Settlement Systems
• Lessons Learned
• Future State
4
Exelon Wind Acquisition of John Deere Renewables
©2011 Copyright. Confidential and proprietary to The Structure Group, LLC.
Exelon Wind Acquisition
5
• Acquisition: Exelon Wind acquires John Deere Renewables• Date: December 14, 2010• Cost: $860M• Demographics: 8 States; 36 Farms; 430 Turbines• Generation: 735 MW
©2011 Copyright. Confidential and proprietary to The Structure Group, LLC.
Exelon Wind Generation Portfolio
6
Exelon Wind
Generation Fleeet
©2011 Copyright. Confidential and proprietary to The Structure Group, LLC. ©2011 Copyright. Confidential and proprietary to The Structure Group, LLC.
Agenda
• Case Study – Exelon Wind
• Integration Spectrum– Wind Farm SCADA
– Data Collection and Historian
– Monitoring, Display, & Reporting
– Trade & Settlement Systems
• Lessons Learned
• Future State
7
Exelon Wind Acquisition of John Deere Renewables
©2011 Copyright. Confidential and proprietary to The Structure Group, LLC.
Integration Spectrum
8
Wind Operations
Wind Farm SCADA
Data Collection &
Historian
Trade and Settlement
Systems
Monitoring, Display, and Reporting
OPC & DNP3
OSIsoftPI Server 2010
Settlements, Outages, Availability
OSIsoftPI Web Parts &
ProcessBook
©2011 Copyright. Confidential and proprietary to The Structure Group, LLC.
Integration Spectrum - SCADA
9
Wind Farm SCADA
• Networking & Communications MPLS Secure Network AT&T Circuits and Substation Substation RTU & Telemetry
• SCADA Protocols OPC for Turbine Data DNP3 for Substation Data Met Tower Data Loggers
• Vendor Diversity Multiple Turbine Vendors across Fleet Varied SCADA Footprint 10-Minute Data Interfaces
Integration Summary
Wind Farm SCADA communication is often comprised of a variety of networking device, protocols, and turbine manufacturer types.
©2011 Copyright. Confidential and proprietary to The Structure Group, LLC.
Integration Spectrum - SCADA
10
Wind Farm SCADA
• Communication Up-And-Downs Imperfect Communications Expect the Unexpected Telco Urgency (or not)!
• Vendor Maintenance and Outages Vendor Maintenance Weather Related Outages High-Frequency Data Gaps
• Site Accessibility Difficult to get to some of the sites –
roads, remote locations, etc. Seasonal Blockades – SNOW Land-owner Rights
Integration Challenges
Wind Farm SCADA is anything but perfect, including frequent outages, remote locations, and Telco delays.
©2011 Copyright. Confidential and proprietary to The Structure Group, LLC.
Integration Spectrum - Historian
11
Data Collection
& Historian
• PI Data Interfaces PI-OPC Data Interface PI-DNP3 Data Interface PI-ECHO Data Interface (Met Tower)
• PI Server 2010 PI Server Data Archives PI Calculations – PI Perf. Equations PI Security – Active Directory
• PI AF Server 2010 Turbine Asset Fleet Modeling Hierarchical Demographics
• Microsoft SQL Server Integration Services 10-Minute Data Collection Extract-Transform-Load = ETL
Integration Summary
The OSIsoft PI System is data of record for the high-frequency and 10-minute data streams from all turbine vendor data sources.
©2011 Copyright. Confidential and proprietary to The Structure Group, LLC.
PI AF Wind Portfolio Model
12
[Screen Shot Here]
Data Collection
& Historian
©2011 Copyright. Confidential and proprietary to The Structure Group, LLC.
Integration Spectrum - Historian
13
• Architecture Requirements PI Server 2010 = 3 Major Platforms Organization and IT Buy-In Kerberos Authentication
• Security Requirements PI Security Re-Design Cross-Domain Firewall Rules
• Vendor Normalization Differing State and Alarm codes Differing OPC standards and name-
spacing – standardize to PI AF 10-Minute data collection techniques
and methods differ significantly by vendor
Integration Challenges
Data Collection
& Historian
Migrating the PI solution may require software upgrades, security and architecture re-design, and conformity to corporate IT standards.
©2011 Copyright. Confidential and proprietary to The Structure Group, LLC.
Integration Spectrum – Display & Reporting
14
Monitoring, Display, and Reporting
• Wind Reporting Portal SQL Server Reporting Services and MS
SharePoint Production, Production Forecast, Wind
Speed and Weather, Availability, Demographics, etc.
Internal and External Report Access• Monitoring and Display
PI Web Parts 2010 & PI ProcessBook Portfolio Wind Farm Turbine
Display Visibility Production Forecasting
• External Data Interfaces PI to PI Interface to Utility Off-Takers Web Service Access
Integration Summary
The PI system offers a wide array of client displays, web portals, and external reporting system access.
©2011 Copyright. Confidential and proprietary to The Structure Group, LLC.
PI Web Part Display – Portfolio Example
15
[Screen Shot Here]
Monitoring, Display, and Reporting
©2011 Copyright. Confidential and proprietary to The Structure Group, LLC.
PI Web Part Display – Wind Farm Example
16
[Screen Shot Here]
Monitoring, Display, and Reporting
©2011 Copyright. Confidential and proprietary to The Structure Group, LLC.
PI Web Part Display – Turbine Detail Example
17
[Screen Shot Here]
Monitoring, Display, and Reporting
©2011 Copyright. Confidential and proprietary to The Structure Group, LLC.
PI ProcessBook – Production Forecast Example
18
[Screen Shot Here]
Monitoring, Display, and Reporting
©2011 Copyright. Confidential and proprietary to The Structure Group, LLC.
Steelcase Renewable Example
19
Monitoring, Display, and Reporting
Source: Steelcase.com – Stakeholder / Investor
©2011 Copyright. Confidential and proprietary to The Structure Group, LLC.
Integration Spectrum - Display & Reporting
20
• Stakeholder and Business Party Reporting Turbine Filtering by Business Party External Access Rights to Domain Site Security and Authentication Kerberos!
• PI Web Part Display Upgrade Migration to new MS SharePoint tricky Display upgrades to new PI version not
automatic Kerberos!
• Custom Code Migration Custom code required a varying degree
of re-work – minor to complete re-development
Integration Challenges
Monitoring, Display, and Reporting
Migrating the displays and reports can be a very challenging, especially in areas of external report access, security, and IT standards.
©2011 Copyright. Confidential and proprietary to The Structure Group, LLC.
Integration Spectrum – Trade & Settlement
21
Trade and Settlement
Systems
• ZaiNet Settlements Turbine-Level Aggregated Production 10-Minute Data aggregations Web Services from PI AF
• Outages and Availability PI Web Parts 2010 & PI ProcessBook Portfolio Wind Farm Turbine
Display Visibility Production Forecasting
• ISO Generation Forecasting Generation forecast to MISO Day-Ahead and Intra-Day
• ISO Generation Dispatch MISO Dispatch to Wind Farm
Integration Summary
Integration to internal and external systems, such as settlement, generation management, and ISO market systems are often required.
©2011 Copyright. Confidential and proprietary to The Structure Group, LLC.
Integration Spectrum - Trade & Settlement
22
• ZaiNet Data Sources Special handling for 10-minute data
gaps and vendor data availability Aggregation methods differ by vendor Turbine to LLC mappings
• Wind is a different data Paradigm Wind data collection is much more
volatile than fossil or nuclear Imperfect data flows must be expected
• Web Service Interfaces to PI Web service data definitions are
customized by data topic Standardized web service adapter to PI
with XML/XSLT capabilities• MISO Integration Requirements
Integration Challenges
Trade and Settlement
Systems
Complexity of the vendor data sources and the volatility of the data streams creates challenges for integration.
©2011 Copyright. Confidential and proprietary to The Structure Group, LLC. ©2011 Copyright. Confidential and proprietary to The Structure Group, LLC.
Agenda
• Case Study – Exelon Wind
• Integration Spectrum– Wind Farm SCADA
– Data Collection and Historian
– Monitoring, Display, & Reporting
– Trade & Settlement Systems
• Lessons Learned
• Future State
23
Exelon Wind Acquisition of John Deere Renewables
©2011 Copyright. Confidential and proprietary to The Structure Group, LLC.
Lessons Learned from Wind Integration
24
• Plan Ahead Telco delays and availability Always have a Contingency Plan
• Network Support Improve notifications for outages and
data communication failures
Wind Farm SCADA
So What Did We Learn from all of this…?
Data Collection and Historian
• Involve IT Early and Often Involve all areas of IT including
Architecture & Engineering, DBA, SharePoint, Security, etc.
Provide IT with Software Vendor Requirements and review in Detail
• Monitor SCADA Interfaces regularly
©2011 Copyright. Confidential and proprietary to The Structure Group, LLC.
Lessons Learned from Wind Integration
25
• Revisit Report and Display Requirements Don’t assume that the previous
reporting req.’s are complete or correct• Build a Holistic Security Design
Include internal and external security req.’s and for all application layers of the solution – OSIsoft, MS, custom, etc.
Monitoring, Display, and Reporting
So What Did We Learn from all of this…?
Trade and Settlement
Systems
• Educate the Trading and Settlement Teams Wind data volatility needs to be clearly
understood and accounted for• Develop Standardized Interfaces
Leverage SOA technologies for future expansion and scalability
Utilize the PI AF architecture as the primary integration source
©2011 Copyright. Confidential and proprietary to The Structure Group, LLC. ©2011 Copyright. Confidential and proprietary to The Structure Group, LLC.
Agenda
• Case Study – Exelon Wind
• Integration Spectrum– Wind Farm SCADA
– Data Collection and Historian
– Monitoring, Display, & Reporting
– Trade & Settlement Systems
• Lessons Learned
• Future State
26
Exelon Wind Acquisition of John Deere Renewables
©2011 Copyright. Confidential and proprietary to The Structure Group, LLC.
What’s Next?
27
So where do we go from here?
Wind Operations
Enterprise Data
Integration
Streamlined Automation
Improved Monitoring
and Notfications
Wind Integration Template
©2011 Copyright. Confidential and proprietary to The Structure Group, LLC.
Questions and Answers
28
What Questions Do You Have?
©2011 Copyright. Confidential and proprietary to The Structure Group, LLC. ©2011 Copyright. Confidential and proprietary to The Structure Group, LLC.
Questions and Answers
29
Bob Knox
Sr. Manager – Energy Management and Control Systems
(302) 545-4656
