Very Large-Scale Deployment of Grid-Connected Solar Photovoltaics in the United States: Challenges and Opportunities

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4 Scopus Citations

Abstract

In this paper, we analyze the potential for solar photovoltaics (PV) to be deployed on a very large scale and provide a large fraction of a system's electricity. We explicitly examine how the hourly availability of PV interacts with the limited flexibility of traditional electricity generation plants. We find that under high penetration levels and existing grid-operation procedures and rules, the system will have excess PV generation during certain periods of the year. This excess PV generation results in increased costs, which can increase dramatically when PV provides on the order of 10%-15% of total electricity demand in systems that are heavily dependent on inflexible baseload steam plants. Measures to increase penetration of PV are also discussed, including increased system flexibility, increased dispatchable load, and energy storage.

Conference

ConferenceSolar 2006: Renewable Energy - Key to Climate Recovery, Including 35th ASES Annual Conference, 31st ASES National Passive Solar Conference, 1st ASES Policy and Marketing Conference and ASME Solar Energy Division International Solar Energy Conference
Country/TerritoryUnited States
CityDenver, CO
Period9/07/0613/07/06

Bibliographical note

For preprint version see NREL/CP-620-39683

NREL Publication Number

  • NREL/CP-620-40521

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