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SunSpec Webinar

SunSpec Webinar. Andrew Murray. Array Technologies. Company Profile. Array Technologies is the leading manufacturer of innovative, cost-effective, reliable and robust solar tracking systems.

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SunSpec Webinar

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  1. SunSpec Webinar Andrew Murray

  2. Array Technologies

  3. Company Profile • Array Technologies is the leading manufacturer of innovative, cost-effective, reliable and robust solar tracking systems. • A pioneer in the solar industry, the company has been providing customers with unequaled expertise for over 20 years. • Array’s trackers are manufactured in the USA and shipped worldwide to customers looking for innovative, yet proven, solutions. • ATI is built on the foundation of a strong technical team, with human capital from the aerospace, military, solar, aviation and investment fields.

  4. Company History • Wattsun Corporation Established in 1985 • 1985 Develops Silicon “flat-plate” PV concentrator module • 1989 Dual-axis closed-loop Polar Axis Developed • Array Technologies Inc. purchases the Wattsun Corporation in 1992 • 1992 ATI Tracker controller patent issued. • 1995 ATI introduces and deploys Dual and Single Azimuth Trackers – patents filed. • 2002 ATI introduces and deploys DuraTrack HZ™ Single Row Single Axis Tracker – patents filed. • 2007 ATI’s DTHZ™ application in first U.S. Utility Scale project • 2012 ATI awarded supply contract for a 268MWDC project, largest solar tracking project in North America to date

  5. DTHZTM Product History • DuraTrack HZ™ Single Row Single Axis Tracker • 2002 DuraTrack HZ™ Single Row Single Axis Tracker introduced - patents filed. • 2007 DuraTrack HZ™ Gear Drive System introduced. – patents filed. • 2007 DuraTrack HZ™ deployment at Alamosa, CO - 6.6 MW – first utility scale system in North America. • 2012 DuraTrack HZ™ installed in over 800MW of projects in the US and International markets • 2012 – ATI meets 1GW milestone for total DTHZTM solar trackers deployed!

  6. Section 2 Title Tracker Background

  7. Tracker History • Late 1960s-70s • First Passive Trackers manufactured • 1980s • Primarily sold to residential off-grid market • First large-scale tracker built in 1983 • Slow but steady growth

  8. Tracker History • 1990s • Trackers lacked cost structure to be implemented large scale • Programs based on system peak ratings(kWp) • Feed-in-tariffs (FIT) programs in late 90s • 2000s • Tracker industry rapidly growing • From 2009-2012 racking systems would be used in 80% of PV sites over 1 MW

  9. Types of Trackers • Single Axis • Horizontal • Rotate about axis parallel to ground http://www.homecsp.com/singleaxis

  10. Types of Trackers • Single Axis Vertical Single Axis (Azimuth Tracker) Tilted Axis http://www.homecsp.com/singleaxis

  11. Types of Trackers • Dual Axis • Azimuth and Horizontal Rotation http://www.solar-energy-for-homes.com/solar-tracker.html

  12. Why Trackers?

  13. Financial Concerns • Bankability • Project’s ability to be financed • LCOE (Levelized Cost of Energy) • Analysis that takes in a diverse group of variables • Compares Apples to Apples • LCOE evaluations determine if trackers are viable and if so what kind.

  14. Tracker Benefits • Shouldering Effect • Trackers extend production throughout the day and not just peaking at noon. Shouldering Smith, Stephen. “PV Tracker”. SOLARPRO June/July 2011:28-54.

  15. Tracker Benefits • Shouldering Effect • Shouldering lines up well with Peak Grid demand hours Smith, Stephen. “PV Tracker”. SOLARPRO June/July 2011:28-54.

  16. Tracker Benefits • Peak Power • Large PV plants have peak power output caps • Trackers enable 20% more power to be pumped into the grid with the same peak power output as fixed. • Net metering • Electrical Companies pay or give credits to customer for excess electricity • Encourages Residential and Commercial trackers

  17. Tracker Benefits • Increase in performance • Single Axis- Improve PV plant performance by 24% over fixed-tilt while costing 3-5% more • Dual Axis- Improve PV plant performance by 38% over fixed-tilt while costing 12-14% more

  18. Additional Considerations • Location • Geography • Geometry • Ground Coverage Ratio (GCR) • Ratio of land to solar aperture of PV plant Solar PV Balance of System (BOS) Markets: Technologies, Costs and Leading Companies, 2013-2016

  19. Section 4 Title Tracker Monitoring

  20. Tracker Monitoring • Need for monitoring. • Remote sites • Reduce O&M Cost • Increase Uptime • Demand to monitor increasing • No standards • Monitoring company needs to customize each site • Time is wasted

  21. Section 5 Title SunSpec Proposal

  22. Overview of Proposal

  23. Overview of Proposal

  24. QUESTIONS? LOCATION: Alamosa, Colorado GENERATION CAPACITY: 6.6 MW

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