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To enable distributed PV that can supply electricity during grid outages, this paper presents approaches specifically to support resiliency through design of PV systems utilizing storage technologies, community energy storage, solar-diesel hybrid systems, and micro-grids. The paper also considers policies and regulations to support distributed PV that contributes to resiliency.
Located in Topics & Resources / Distributed Generation / Distributed Generation folder
Standard IEEE 1547 is an example of an interconnection standard (commonly used in North American power systems) providing technical rules for interconnecting distributed generation resources with the electric grid. The standard’s guide introduces the background and rationale for the technical requirements, facilitates use of the standard by characterizing distributed resource technologies and related interconnection issues, and provides approaches and information to support interconnection and implementation. The standard was updated in 2014 with an amendment providing existing information on voltage, voltage regulation, and frequency.
Located in Topics & Resources / Distributed Generation / Distributed Generation folder
This report summarizes a three-year, U.S. Department of Energy commissioned study that assesses the value of hydropower to the U.S. power system for both pumped and traditional plants. The report includes an assessment of the current market structures and costs and ways to increase the value of hydropower.
Located in Topics & Resources / Flexible Generation / Flexible Generation folder
This document explores the benefits of expanding co-optimization of energy and ancillary services to hydropower. The author builds off of practices currently enacted for conventional generators and demonstrates that co-optimization improves the economics of hydropower plants.
Located in Topics & Resources / Flexible Generation / Flexible Generation folder
The report includes both a broader look at the European hydropower market as well as detailed flexibility case studies in the Nordic power system, Austria, Poland, Norway, Germany, Switzerland and Ireland.
Located in Topics & Resources / Flexible Generation / Flexible Generation folder
This report examines the broader role of hydropower in the U.S. power system in terms of both energy and ancillary services, and how these roles vary across regions, especially under the context of greater variable RE. The report looks at the drivers and barriers to hydropower generation within these markets.
Located in Topics & Resources / Flexible Generation / Flexible Generation folder
"Xcel Model Wind and Solar PPA, Model Semi-Dispatchable PPA and Semi-Dispatchable RFP"
Xcel Energy has released their new Model Power Purchase Agreement for Wind and Solar Generators, their Model Power Purchase Agreement for Semi-Dispatchable Renewable Resources and the Request for Proposals for Semi-Dispatchable Renewable Resources.
Located in News and Events
Webinar: Utility-Scale Battery Storage
A recording of the webinar "Utility-Scale Battery Storage: When, Where, Why and How Much?" has been published. The webinar introduced key concepts for understanding the value of BESS; reviewed the services they can provide to the grid; and explored when, where, why and how BESS can be deployed economically.
Located in News and Events
Video C header Utility-Scale Battery Storage: When, Where, Why and How Much?
This webinar introduces important concepts for understanding the roles batteries can play on the grid and how these roles may evolve with declining battery costs and increasing variable generation. The webinar also discusses under what conditions batteries can be deployed economically.
Located in Trainings / Webinars
Framework for Readiness Assessments of Utility-Scale Energy Storage
Energy storage can help address many of the challenges of the changing power sector by increasing system flexibility and strength. This report outlines a framework for policymakers to manage utility-scale energy storage.
Located in News and Events
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