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Conference Agenda

Overview and details of the sessions of this conference. Please select a date or location to show only sessions at that day or location. Please select a single session for detailed view (with abstracts and downloads if available).

Please note that all times are shown in the time zone of the conference. The current conference time is: 24th Aug 2026, 01:50:31am WEST

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Daily Overview

Session

Electricity Markets and Regulation: The Case of Renewables
Location: B010
Session Chair: Xingchi Shen, Shanghai Jiao Tong University

Presentation 4

Effects of Rooftop Solar on the Distribution Grid: Evidence from Connecticut

Kenneth Gillingham¹, Marten Ovaere², Xingchi Shen³

1: Yale University; 2: Ghent University; 3: Shanghai Jiao Tong University

Discussant: Stuart Morrison (UC Davis)

This study quantifies the effect of rooftop solar generation on the electricity distribution system using unique, proprietary data on solar generation and infrastructure load. We find that an additional kilowatt (kW) of solar reduces the annual peak load on a main feeder line coming from a substation by 0.10 kW and the top percentile of feeder load by 0.11 kW. We also estimate a 6.1% solar rebound effect, primarily occurring in spring and fall. The value of deferred distribution capacity ranges from $0.2 to $2.3 per MWh, well below the cost premium of rooftop solar above utility-scale solar.