Dispatchable Standby Generation

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Dispatchable Standby Generation

• Put Your Generators to Work
• For Grid Support
• May 2008
• Kelly Cox
• Mark Osborn

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Current DSG Network Customers
AFRC - Salem
US Bank - Gresham
NCCWC Filter Plant
Portland State U.
Providence - Tigard
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GenOnSys Site Aggregation Provides a Virtual
Peaking Plant for Dispatchers
Dispatchable Standby Generation Online Site
MWs Lumber 0.5 Semi Cond
0.5 Data Center 0.9 HighTech
0.7 Comm Site 1.8 Data Center
1.8 University 2.8 Hospital
5.4 Bank Ops 5.8 Health Data
1.8 Manuf. 0.9 Water Plant
1.1 Water Plant 1.8 Hospital
1.4 Youth Corr 0.4 Military
1.6 Additional
14.8 Virtual Peaking 44.0
0.9
0.5
1.8
5.4
0.7
1.8
5.8
2.8
0.5
0.9
1.8
1.1
1.8
1.4
0.4
1.6 1.6
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Customer Benefits

• Greater Reliability
• High Quality Seamless Paralleling Equipment
• Exhaust Oxidation Catalyst
• Power Quality Monitoring
• State of the art Relay Protection System

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Conventional Generator Connection
Auto Transfer Switch
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More Reliable DSG System
Dual Electrically Operated Breakers
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Environmental ImprovementsCatalyst SCR Exhaust
Treatments
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Power Quality Monitoring - adds Value
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Protect Grid Interface

• Protection 1 Multi-function Relay provides
• Over under voltage protection
• Over under frequency protection and
  over-current protection
• In most cases sufficient protection for generator
  and utility
• Protection 2 Transfer-trip
• Provides protection for larger generator sites or
  lightly-loaded feeders
• Prevents Islanding
• Protection 3 Substation Synch-check Relay
• Checks synch before a recloser action

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Customer Benefits

• Reduced Operations Maintenance
• Preventive Maintenance on Switchgear Gens
• Repairs Replacement
• DEQ Permit Modifications Renewals
• Fuel
• Customer pays standard tariff for generator power
  that displaces utility power

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Ongoing Support

• Real-time Support
• One Number to Call for DSG Support
• Single phone call gets PGE Maintenance
  Resources heading to our Customer
• DSG Staff Paging for after hours support
• For Customer calls, generator start or PQ issues
• Managed Maintenance
• Routine Maintenance - Scheduled, Coordinated and
  Followed Up
• Allows Customer to Focus on core business
• All Generator System Repairs Covered
• Better Fuel Low Ultra-Low Sulfur
• Reliable Deliveries
• Routine Fuel Testing
• Biocide Treatment and Polishing

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Gen Ops Monitoring
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Utility Benefits

• Paralleling switchgear, communications and
  controls
• Cheaper than a Peaker (100-200/kW vs.
  550-650/kW)
• Resource Stack Cost 20/kW year or 1.67/kW month
• Reliable Dispatchable Reserve or Peak Power
• We can start, operate, and monitor standby
  generators up to 400 hours per year
• Liquid Fuel Stored on Site - Gas Shortage Hedge
• Avoids transmission congestion at peak times

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Dispatch Monitoring Control
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Live Video Pictures - For Safety
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Aggregated DG PowerReady to Start / On Reserve
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System Control Center - Starts Generators
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Renewable Power Projects
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Net Metering Customers

• Currently 215 NM projects totaling 971 kW.
• Being Developed 31 projects with 1.84 MW of
  generation capacity
• 97 are PV (photovoltaic) customers.
• Average size of generation 3.5 kW
• Small Hydro Projects
• A few under development
• Small Wind Projects
• 2 Residential Customers, 28 kW
• 1 Commercial Customer, 4 kW

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