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New Resource - An Introduction to Grid Services: Concepts, Technical Requirements, and Provision from Wind
The National Renewable Energy Laboratory has released a new report titled "An Introduction to Grid Services: Concepts, Technical Requirements, and Provision from Wind". The report details the issues surrounding the provision of key ancillary services for grid reliability and stability by wind energy generators.
Located in News and Events
New Resources - "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
New Resource - "Updated Power Purchase Agreements for Renewable Dispatchable Generation"
The Hawaiian Electric Light Company (HELCO) recently released their new models for Power Purchase Agreements for Renewable Dispatchable Generation for wind and solar PV.
Located in News and Events
Germany leads the world in deployment of DPV, with PV generation contributing approximately 40% of peak power demand during some hours of the year. This article outlines the impacts of high PV deployment in Germany on grid stability and power flows in the transmission and distribution system. It also highlights practical solutions that Germany has implemented to support frequency and voltage control and reduce congestion, and suggests new voltage-control strategies.
Located in Topics & Resources / Grid Planning, Integration, & Operations / Grid Planning, Integration, & Operations folder
DPV can be designed to supply electricity during grid outages. This paper presents approaches that specifically support resiliency through design of PV systems utilizing community energy storage, solar-diesel hybrid systems, and micro-grids. The paper also considers policies and regulations to support resiliency.
Located in Topics & Resources / Grid Planning, Integration, & Operations / Grid Planning, Integration, & Operations folder
This step-by-step guide provides a comprehensive overview of power system planning and describes the key planning implications related to variable RE deployment and integration, with a particular focus on implications for emerging economics. The second part of the report describes the considerations needed to accurately represent variable RE in energy models and suggests several cross-cutting solutions to improve capacity expansion modeling.
Located in Integration Topics / Planning for Grid Integration / Planning for Grid Integration folder
This manual provides detailed guidance for the facilities and controls maintained by the New York Independent System Operator, a regional transmission operator. It includes sections on operations monitoring, transmission operations, scheduling operations, and dispatching operations for all generation types.
Located in Integration Topics / System Operations Improvements / System Operations Improvements folder
This report details case studies of Spain, Germany, Denmark, and several balancing areas in North America and looks at the specific systems operational measures undertaken to integrate variable RE. The case studies examine how systems operators improved their situational awareness, ability to assess real-time reliability and risks, and decision support processes.
Located in Integration Topics / System Operations Improvements / System Operations Improvements folder
This report reviews grid interconnection codes that relate to the performance of wind turbines, as well as requirements that can validate wind farm and turbine performance. Also reviewed are modeling requirements for simulating the performance of wind farms in the power system. Specifically, the authors examine grid codes from the UK, Germany, Denmark, Spain, Texas, Canada, and Europe.
Located in Integration Topics / System Operations Improvements / System Operations Improvements folder
This study explores technologies that can provide control of active power output from wind power. The study assesses how active power control technologies impact production costs, wind power revenue streams, and the overall reliability and security of the power system. The authors find that wind turbines have great potential to provide automatic power controls. However, careful market and control system design will be needed to realize these benefits.
Located in Integration Topics / System Operations Improvements / System Operations Improvements folder
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