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Financial Impacts of a Combined Energy Efficiency and Net-Metered PV Portfolio on a Prototypical Northeast Utility

Financial Impacts of a Combined Energy Efficiency and Net-Metered PV Portfolio on a Prototypical Northeast Utility

Full Title: Financial Impacts of a Combined Energy Efficiency and Net-Metered PV Portfolio on a Prototypical Northeast Utility
Author(s): Andrew Satchwell, Peter Cappers, and Charles Goldman
Publisher(s): Lawrence Berkeley Laboratory
Publication Date: April 1, 2017
Full Text: Download Resource
Description (excerpt):

This report quantifies the combined financial impacts of EE and distributed PV on utilities and ratepayers, by building upon prior Lawrence Berkeley National Laboratory (LBNL) studiesii in four distinct ways. First, prior LBNL research has looked at the impact of EE and PV in isolation. This is the first effort to jointly assess the impacts of EE and PV. Second, the EE savings and PV penetration levels assumed in the study, though grounded in existing policies and forecasted PV adoption, are an upper-bound of sales and peak demand reductions representing an aggressive implementation and deployment scenario.iii Third, the study models the hourly impacts of EE and PV on utility load and its subsequent reduction in utility costs depending on the timing and coincidence of the EE and PV savings. This represents a more granular modeling of the relationship between impacts of EE and PV on utility load and costs, and how that relationship changes at increasing EE and PV penetration. Fourth, the study relies on a more precise modeling of utility ratemaking, including customer class-level cost allocations, and the relationship between changes in customer class energy and peak demand, utility costs, and future rates.

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