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ISO New England (which serves as the regional transmission organization for the New England region of the United States) commissioned the New England Wind Integration Study to assess the operational, planning, and market impacts of integrating up to approximately 12GW of wind power. The study finds that wind energy could supply up to 24% of New England’s total annual electricity needs by 2020 if the system implements transmission upgrades.
Located in Topics & Resources / Grid Integration Studies / Grid Integration Studies folder
The All Island Grid Study represents a comprehensive assessment of the power system on the island of Ireland to accommodate significant renewable energy penetration (including variable RE as well as dispatchable RE resources) by 2020. The study is divided into four “workstreams:” resource assessment, portfolio screening study, dispatch study, network study, and costs and benefits. The results include the climate change and energy security impacts, as well as the investment costs, associated with the RE scenarios.
Located in Topics & Resources / Grid Integration Studies / Grid Integration Studies folder
The Electricity Reliability Council of Texas (ERCOT) commissioned this study of the ancillary services requirements for its system to accommodate up to 15,000 MW of wind energy. The Study evaluates and makes recommendations related to the methodology used by ERCOT to determine ancillary service needs; estimates the impacts of wind generation on the costs of ancillary services; and identifies changes to procedures related to severe weather conditions. ERCOT re-evaluated—and largely validated—the results of this study in a 2013 update.
Located in Topics & Resources / Grid Integration Studies / Grid Integration Studies folder
In anticipation of significant growth in DPV in India, this report reviews policies and regulations for DG; identifies technical challenges to significantly increasing grid-connected DPV; and makes recommendations for addressing power quality, safety, grid stability, and distribution system operation issues. The report provides an example of a country-specific review and synthesis of best practices to inform national and state-level technical and grid code specifications, advanced inverter functionalities, meter technology deployment, certification, and testing processes.
Located in Topics & Resources / Grid Planning, Integration, & Operations / Grid Planning, Integration, & Operations folder
To enable informed decision-making and planning related to increasing levels of DPV, the Distributed Generation Interconnection Collaborative (DGIC) facilitates knowledge sharing among its members about DPV interconnection practices, research, and replicable innovations. While the Collaborative primarily works with utilities and other stakeholders in the United States, its website hosts a collection of presentations, webinars, and reports that provide more broadly applicable information and case studies on interconnection practices.
Located in Topics & Resources / Grid Planning, Integration, & Operations / Grid Planning, Integration, & Operations folder
Because of Jamaica’s high retail electricity prices, significant opportunity exists for DPV as an economic alternative. This paper reviews the effectiveness of Jamaica’s net billing pilot program, and identifies remaining challenges including a complex interconnection process, contractual ambiguity, and stakeholder equity concerns. The report provides several specific recommendations like shortening interconnection timelines, reducing caps on individual systems, and moving beyond a pilot phase. Many of these recommendations are applicable to other countries, particularly those with similarly high electricity rates.
Located in Topics & Resources / Regulation & Public Policy / Regulation & Public Policy folder
Solar and Wind Participation in Automatic Generation Control Systems
The National Renewable Energy Laboratory (NREL) has released a report titled, "Solar and Wind Participation in Automatic Generation Control Systems." This report focuses on emerging technological and regulatory considerations for using solar and wind generators to provide essential reliability services through participation in area-wide automatic generation control (AGC) systems.
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
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
This report provides a concise global overview of grid integration challenges and emerging solutions, covering topics such as supply-side flexibility innovations, flexibility from distributed generation, curtailment, transmission and distribution system planning, and electricity market design. The report draws on experience from several jurisdictions where renewables provide 20%–40% of electricity generation, with particular emphasis on experiences in Germany, Denmark, and California. The report also references actions by developing countries (China, India, and South Africa).
Located in Topics & Resources / Cross-Cutting / Cross-cutting links folder
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