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File ECMAScript program Integrating Variable Renewable Energy Into the Grid: Key Issues
To foster sustainable, low-emission development, many countries are establishing ambitious renewable energy targets for their electricity supply. Because solar and wind tend to be more variable and uncertain than conventional sources, meeting these targets will involve changes to power system planning and operations. Grid integration is the practice of developing efficient ways to deliver variable renewable energy (VRE) to the grid. Good integration methods maximize the cost effectiveness of incorporating VRE into the power system while maintaining or increasing system stability and reliability.
Located in Resources / Fact Sheets
An electricity capacity expansion model (CEM) is a tool or suite of tools used in long-term planning studies for the power sector. CEMs are used to identify the least-cost mix of power system resources, taking into consideration new policies, technologies, demand projections, and other factors. CEM analysis can be an important tool in developing power sector master plans or integrated resource plans. Low-cost clean energy, storage, and demandside management technologies, along with low-cost computing have improved the quality and complexity of CEM analysis. This fact sheet summarizes eight key advancements in the CEM process: Increased temporal resolution Increased geographic resolution Representing RE resource variability Energy storage technologies Demand response, electric vehicle, and distributed energy resource representation Climate change impacts Technologies for deep decarbonization Linkages across energy sectors
Located in Quick Reads / Fact Sheets
Energy Storage in South Asia: Understanding the Role of Grid Connected Energy Storage in South Asia’s Power Sector Transformation
Energy storage can provide many grid benefits, including flexibility. This study provides a first-of-its-kind assessment of cost-effective opportunities for grid-scale energy storage deployment in South Asia.
Located in News and Events
Australia's Landmark Renewable Integration Study (Webinar)
This webinar discusses the Australian Energy Market Operator's recently published Renewable Integration Study which analyzes the challenges associated with operating the Australian National Electricity Market's (NEM) under high penetrations of variable renewable electricity.
Located in News and Events
Video Australia’s Landmark Renewable Integration Study
Sponsored by EPRI/ESIG/AEMO/NREL, this webinar discusses the Renewable Integrated Study (RIS) for the Australian National Electricity Market (NEM) as it evaluates challenges with the integration of high penetrations of renewable energy resources. This webinar was held on June 1, 2020 at 5:00 p.m. EDT.
Located in Trainings / Webinars
Distributed Photovoltaic Economic Impact Analysis in Indonesia
This report presents a holistic view of DPV economic impacts in the Java-Bali region of Indonesia by assessing customer economic impacts, utility revenue impacts, and jobs and economic development impacts.
Located in News and Events
Image Summary of potential energy storage services and required response times and durations
The figure highlights which services can be provided, depending on the location of the storage system, as well as the required response times (left side of the bar) and duration (right side of the bar) for each service.
Located in Site Images
Battery storage is a technology that enables power system operators and utilities to store energy for later use. A battery energy storage system (BESS) is an electrochemical device that charges (or collects energy) from the grid or a power plant and then discharges that energy at a later time to provide electricity or other grid services when needed. Several battery chemistries are available or under investigation for grid-scale applications, including lithium-ion, lead-acid, redox flow, and molten salt (including sodium-based chemistries). Battery chemistries differ in key technical characteristics, and each battery has unique advantages and disadvantages.
Located in Quick Reads / Fact Sheets
New Page - Energy Storage
The Greening the Grid team has published a new page on Grid Integration titled, “Energy Storage.” This page provides basic background on energy storage technologies and the factors that influence their deployment.
Located in News and Events
Energy Storage
Energy storage refers to technologies capable of storing electricity generated at one time for later use. These technologies can store energy in a variety of forms including as electrical, mechanical, electrochemical or thermal energy. Storage is an important resource that can provide system flexibility and better align the supply of variable renewable energy with demand by shifting the timing of energy supply and demand.
Located in Topics & Resources
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