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Scaling Up PV-Grid Integration: Unlocking Current Limits & Preparing for a High-Solar Energy Future
AltaTerra Research, Oct 2010, Pages: 24
With the purchase of this product, you will receive the presentation slides in PDF format, as well as online access to a recording of the live event. Information for accessing the recording is included on the first and last page of the presentation slides.
Overview
Utilities and industry regulators across the nation place limits on individual and combined system capacities that are often so low solar developers simply avoid doing business in certain areas. At the same time, states are enacting Renewable Portfolio Standard goals that seem to exceed their own limits by many times.
- Hawaii’s most populous island, Oahu, is limited to less than 10 MW of combined renewable energy capacity and no system can be more than 100 kW. The effect is a total solar PPA revenue potential about the same as one supermarket.
- The State of California wants 33% of electricity served by renewables by 2020, but limits renewable net-metered generation to 5% of peak demand. Will 70 TWh/year come from dozens of GW-scale central generation solar and wind plants?
In this online conference: NREL senior engineer Ben Kroposki and AltaTerra renewable energy expert Jon Previtali discuss the real and perceived risks of adding large amounts of PV to power distribution areas, review case studies, and explore the smart grid technologies needed to support high-penetration PV-grid integration.
Key questions
- Are concerns by utilities over too many or too large commercial PV systems legitimate?
- What strategies can be used today to unlock limits to commercial solar power generation?
- What has Germany done to control renewable energy production and how is their law affecting new ISO requirements in California?
- What smart grid technologies and development opportunities exist that will support the high penetrations of solar power states are asking for?
Speakers
As the leader of the Distributed Power Systems Integration Team at NREL and a major contributor to national code requirements for RE interconnections, Ben Kroposki is one of the world’s leading experts in the area of PV-grid integration. AltaTerra’s Jon Previtali is a renewable energy consultant who recently worked to answer high-penetration PV-grid integration questions for North American’s largest Solar PPA company, SunEdison.
Ben and Jon present an overview of regulations limiting deployment of grid-connected PV, separate fact from fiction regarding risks of adding PV at varying capacities, and talk about utility concerns that have resulted in a new RE control law in Germany and a similar requirement pending with the California ISO. They also address system deployment and smart grid infrastructure strategies to mitigate risks and help release capacity limits, and end with a discussion of opportunities for the development of new communications and control technologies that will support the high-penetrations of PV in demand across the nation.
The talk is geared for all solar professionals and is not overly technical.
Key topics
- Limits to PV-grid integration & mitigation strategies
- High-penetration solar power
- Solar energy grid interaction (SEGIS)
- Next generation inverters
- Smart grid infrastructure for PV
- DG Communications & Control (DGC2)
- CAISO Interconnection Standards for renewable energy
- German Medium Voltage Directive
Who will benefit from this presentation
- Solar power developers
- Solar power engineers and procurement specialists
- Clean technology developers and entrepreneurs
- Grid operators and utility planners
- Energy policy makers
- Government affairs specialists
- VC firms interested in smart grid product development
About the Speakers
Benjamin Kroposki is a senior engineer at NREL and leader of the Distributed Power Systems Integration Team. His expertise is in the design and testing of distributed power systems, and he has produced more than 30 publications in this area. Mr. Kroposki also participates in the development of distributed power standards and codes for IEEE, the International Electrotechnical Commission (IEC), and the National Electrical Code (NEC). He serves as secretary for IEEE P1547.1 and Chairman for IEEE P1547.4 and is a Senior Member of IEEE. Mr. Kroposki received his bachelor’s and master’s degrees in electrical engineering from Virginia Tech and is a registered professional engineer.
Jon Previtali has 13 years experience in product management, specializing since 2005 in renewable energy and related fields such as energy efficiency, smart grid devices, and energy storage. Prior to AltaTerra, at SunEdison, the largest generator of solar power in North America, Mr. Previtali managed the operations service for third-party systems, assisted in the development of the solar power fleet monitoring system and developed a high-penetration PV-grid integration strategy. Jon Previtali also launched SunEdison's channel partner program. Earlier, Mr. Previtali was the Director of Product Management for Monitoring and Reporting Services at Digital Island, a leading Internet infrastructure firm. He holds a B.S. in Civil Engineering from Stanford and an M.S. in Civil, Environmental and Architectural Engineering from the University of Colorado, Boulder via the Building Systems Program.
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