Beth, Chacon, SolarTAC OverviewSolarTAC Overview Beth Chacon Xcel Energy Environmental Policy...
Transcript of Beth, Chacon, SolarTAC OverviewSolarTAC Overview Beth Chacon Xcel Energy Environmental Policy...
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SolarTAC Overview
Beth Chacon Xcel Energy
Environmental Policy Manager January 15th, 2014
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Northern States Power Company
Minnesota
Public Service Company of
Colorado
Southwestern Public Service
Company
Northern States Power
Company Wisconsin
» No. 1 wind energy provider » No. 5 in solar capacity on
system » 4TH largest DSM program » Industry-leading voluntary
emission reductions » Leader in pursuit of new
technologies
Xcel Energy
Gas Customers 1.9 M Electric Customers 3.4 M
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A World-Class Solar Technology Research, Testing, and Demonstration Facility
SolarTAC Overview
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SolarTAC Objectives
» Provide a real-world testing environment ▬ Fine tune nearly commercial technologies ▬ Demonstrate reliability ▬ Optimize performance ▬ Secure financial backing
» Accelerate Solar Technology and market adoption
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SolarTAC Highlights
» 74 acres in operation, expansion to 200+ acres » ~$30 million invested in site » Good location » “Laboratory” status of site » Expedited approvals of local permits
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Current Participants
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Project Highlights
» Sun Edison ▬ Module and inverter technologies ▬ Tracking, control, monitoring systems
» Abengoa ▬ Concentrated Solar Power testing ▬ Optimizing system
» NREL ▬ Thermal Storage, PV
» Electric Power Research Institute ▬ Multi-client PV testing
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Xcel Energy’s SolarTAC Focus
» Study PV integration issues » Use of battery storage
▬ To manage integration issues ▬ To manage voltage fluctuation
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Research Focus: Grid Integration
Alamosa Solar Generation
SOLAR GEN 6/9/2009 11:14:53 PM
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10 4.318E-02
Why Be Concerned with Solar PV Grid Integration?
Data from 8 MW Solar PV Facility in Alamosa, CO
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Overview of Xcel Energy Integration Research » Solar-to-Battery
▬ Large battery (Xtreme Power 1.5 MW, 1 MWh) ▬ Integrated with large-scale Amonix solar installation
» Community Energy Storage ▬ Smaller battery (FIAMM 25 kW, 50 kWh) ▬ Integrated with smaller-scale solar installation ▬ Simulated residential loads
» Smart Inverter Project ▬ EPRI-led research ▬ Addressing integration challenges through smarter
inverters rather than storage
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