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Topics & Resources
Grid codes, interconnection, and safety
Safely, reliably, and cost-effectively connecting energy storage to the grid requires that utilities and customers follow interconnection rules that dictate ...
Modeling and planning
Markets and regulation
Energy storage represents a new type of power system asset, able to act as both generation and load. As such, it may require additional regulations and ...
Procurement, financing, and business models
Access to financing and the presence of financially viable business models for energy storage are prerequisites for supporting storage market development. ...
Grid services and value-stacking
Energy storage systems are capable of providing a wide range of system services depending on where they are interconnected and their technical characteristics.
Environmental and Land Use Information to Support the Renewable Energy Transmission Initiative (RETI) 2.0 Process
Environmental and Land Use Information to Support the Renewable Energy Transmission Initiative (RETI) 2.0 Process
WREZ Charter
wrez charter
Transmission Planning Studies for the Renewable Energy Zone (REZ) Process
Transmission planning studies help power system planners determine how they can best supply load with renewable energy. The early steps of the REZ process ...
The Evolution of Power System Planning with High Levels of Variable Renewable Generation
Power system planning methods and processes can evolve to address the unique characteristics of variable renewable energy (VRE). This brief presents an ...
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 ...
The Role of Storage and Demand Response
Affordably integrating high levels of variable renewable energy (VRE) sources such as wind and solar requires a flexible grid. Storage and demand response ...
Scaling Up Renewable Energy Generation: Aligning Targets and Incentives With Grid Integration Considerations
Countries around the world have established ambitious targets for increasing the contribution of renewable energy toward meeting their national energy demand. ...
Using Wind and Solar to Reliably Meet Electricity Demand
An important aspect of power system planning is ensuring that adequate generation capacity exists to meet electricity demand during all hours of the year. ...
Balancing Area Coordination: Efficiently Integrating Renewable Energy into the Grid
Coordinating balancing area operation can promote more cost and resource efficient integration of variable renewable energy (VRE), such as wind and solar, into ...
Sources of Operational Flexibility
Operational flexibility refers to the ability of a power system to respond to changes in electricity demand and generation. Flexibility is particularly ...
Methods for Procuring Power System Flexibility
This fact sheet reviews administrative and market-based mechanisms for procuring a cost effective mix of flexible resources needed to ensure system reliability ...
Grid Integration Studies: Data Requirements
A grid integration study is an analytical framework used to evaluate a power system with high penetration levels of variable renewable energy (VRE). A grid ...
Wind and Solar on the Power Grid: Myths and Misperceptions
Wind and solar are inherently more variable and uncertain than the traditional dispatchable thermal and hydro generators that have historically provided a ...
Greening the Grid Overview
This one-page fact sheet provides an introduction to the Greening the Grid project and summarizes program activities and offerings.
Forecasting Wind and Solar Generation
Forecasting is a crucial and cost- effective tool for integrating variable renewable energy (VRE) resources such as wind and solar into power systems.
GtG Overview (Spanish)
Spanish-language Greening the Grid Overview fact sheet
Grid-Integrated Distributed Solar: Addressing Challenges for Operations and Planning
Distributed, grid-connected photovoltaic (PV) solar power poses a unique set of benefits and challenges. This brief overviews common technical impacts of PV on ...
Forecasting (Spanish)
Spanish-language forecasting fact sheet
Myths (Spanish)
Spanish-language Myths Fact Sheet
Key Issues (Spanish)
Spanish-language Key Issues Fact Sheet
Renewable Energy Zones
REZ Fact Sheet
DESIGNING WIND AND SOLAR POWER PURCHASE AGREEMENTS TO SUPPORT GRID INTEGRATION
Power purchase agreements (PPAs) represent one of many institutional tools that power systems can use to improve grid services from variable renewable energy ...
EV Fleets
Electrifying fleets of vehicles can have an outsized impact in reducing fuel consumption and emissions, improving local air quality, and achieving mobility ...
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