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Tracking the Sun


Berkeley Lab's Tracking the Sun report series is dedicated to summarizing installed prices and other trends among grid-connected, distributed solar photovoltaic (PV) systems in the United States. The present report, the 11th edition in the series, focuses on systems installed through year-end 2017, with preliminary trends for the first half of 2018. As in years past, the primary emphasis is on describing changes in installed prices over time and variation in pricing across projects based on location, project ownership, system design, and other attributes. New to this year, however, is an expanded discussion of other project characteristics in the large underlying data sample. Future editions will include more of such material, beyond the report?s traditional focus on installed pricing. The trends described in this report derive primarily from project-level data reported to state agencies and utilities that administer PV incentive programs, solar renewable energy credit (SREC) registration systems, or interconnection processes. In total, data were collected and cleaned for more than 1.3 million individual PV systems, representing 81% of U.S. residential and non-residential PV systems installed through 2017. The analysis of installed pricing trends is based on a subset of roughly 770,000 systems with available installed price data.

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Additional Info

Last Updated: 3 months ago
Data from October, 2019
Submitted Apr 2, 2020


Lawrence Berkeley National Laboratory (LBNL)



Publicly accessible License 


Galen Barbose
Lawrence Berkeley National Laboratory LBNL
Naim Darghouth
Lawrence Berkeley National Laboratory LBNL


energy, power, solar, pv installations, grid, oedi, photovoltaic, PV, tracking the sun, installed price, residential, non-residential


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