A number of states have permitted state green banks, infrastructure banks or resilience banks to support microgrid projects, offering potential developers an additional avenue to finance a qualifying project. Powering Resilience: How to Design Microgrids that Prepare for These seven white papers constitute the DOE Microgrid Program Strategy. Its also worth noting that some state PUCs have established more detailed definitions. From catastrophic hurricanes to snowstorms and record low market segment differences for future cost reductions across microgrid applications. Enable regulatory and business models for broad microgrid deployment to identify the regulatory frameworks that enable microgrid investment from the private sector, regulated utilities, communities, and states. Funding received through HMGP or BRICcould be used to compliment investments through the IIJAto improve states energy resilience. Microgrid service standards to meet state and local permitting. Microgrids can also support the larger grid by providing energy and ancillary services while grid-tied, or act on-demand response signals when the larger grid is under stress. Facility in 2014 using a Parker battery inverter, AE PV inverters, and programmable These advanced systems are designed to operate in concert with the larger grid during normal operations. Grid Systems | Department of Energy Resilience energy resourcesincluding a large PV plant, energy storage systems, and diesel generators that emulate microgrid critical loads and a programmable AC power supply that emulates For example, a hospital will place more value on reliable, resilient energy during disasters, as opposed to a homeowner who might be able to go a few hours without power. And some isolated communities still rely on diesel generators for electricity, since powerlines dont reach them. Yet a microgrid at Princeton University in New Jersey kept the lights on for emergency workers and at key facilities. Because they are able to operate while the main grid is down, As state lawmakers consider policies to enhance energy system reliability and resilience, a growing number have looked to the benefits of microgrids. The report concludes that microgrids are an essential tool to improve energy resilience and advance decarbonization, and that the market faces a range of challenges that the open source ecosystem is well positioned to address. The Symposium program agendawill have more information on the development team and industry advisory panel for each white paper. Integrate models and tools for microgrid planning, designs, and operations to combine new and existing capabilities to meet performance metrics and requirements. As state lawmakers consider whether to support microgrid development in their states, its important that the full suite of benefits that microgrids can provide are considered. Even though resilience is often the primary driver, microgrids are pursued for a variety of reasons, as outlined in a2021 joint reportfrom the National Association of Regulatory Utility Commissioners and the National Association of State Energy Officials. In some areas of the country, geography, population and economics restricts access to a larger power grid. A lot of communities arent set up to develop something like that, said Dhruv Bhatnagar, a PNNL mechanical engineer who was part of the PNNL research team focused on Molokai as part of a larger evaluation of marine energy resources. Since Molokais goal was zero emissions, researchers predicted what would happen if existing diesel generators were swapped with marine energy. The handful of states that do define microgrids generally establish definitions that are substantially similar to the U.S. Department of Energys definition. These policies have also directed state agencies to streamline and standardize the processes and requirements for microgrids to interconnect with the larger grid. These legal agreements establish the services that microgrids can provide to the utility and the prices that microgrid operators will receive for those services. Optimizing resilience in microgrids to address outages, This project will provide insight, 2022Office of Electricity Microgrid R&D Program Peer Review, 2020 Office of Electricity Microgrid R&D Program Peer Review, Development of an Integrated Platform for Hardware-in-the-Loop Evaluation of Microgrids For more information, review theNREL security and privacy policy. In others, states have sought to provide developers with a greater degree of certainty and standardization around the interconnection and operation of microgrids in relation to their electric utilitymost notably by establishing interconnection requirements, addressing access to rights-of-way and developing microgrid service tariffs. Microgrids - NARUC In For the purposes of this issue brief, microgrid developer will be used broadly to include microgrid project development companies and microgrid owners and operators. in a microgrid test bed at NREL's Energy Systems Integration Facility with load banks Marlene is Deloittes US Renewable Energy leader and a principal in Deloitte Transactions and Business Analytics LLP. It includes results from SEPAs three-phased approach with key stakeholders in West Virginia to prioritize and evaluate potential microgrids for resilience. National Grid is designing a model for a community microgrid in upstate New York. Microgrids can be designed to operate with different levels of resilience. The macro impacts of microgrids for sustainability. The three tiers of batteries are lithium-Ion, nickel cadmium, and lead acid configured They found that in some cases, the generators arent big enough for the microgrid to be resilient during a variety of outage situations. Increasingly, combinations of clean energy resources have been used to anchor microgrids, with fossil fuel-fired generation used in a supporting role. Authors: Plus, the generators need up to 30% more fuel than previously predicted if extreme weather isnt accounted for during design. The loads are often designated based on how critical they are, with the most important loads prioritized for uninterruptible service. Webmicrogrids or resilience. It can connect and Generators are critical in bridging gaps when batteries arent fully charged, such as cloudy days, or when energy demand is high and excess cant be saved. Often one of the primary objectives, microgrids can enable enhanced reliability and resilience to both routine and unforeseen outages that occur on distribution systems, allowing the microgrids beneficiaries to maintain electric services to critical loads. By 2035, we aim for microgrids to represent essential building blocks of the future electricity delivery system to support resilience, decarbonization, and affordability. The federal bipartisanInfrastructure Investment and Jobs Act(IIJA), passed in November 2021, included $1 billion for the BRIC program in addition to its regular funding, and made microgrids eligible for funding under Title 1 of the law aimed at enhancing grid resilience. Spurred by a state mandate, the Hawaiian island of Molokai is grappling with how to transition to 100% renewables by 2045. Open source is uniquely poised to help advance decarbonization by driving the adoption and development of microgrids. In this paper, an integrated framework has been proposed to increase the resiliency of distribution system. Exceptional organizations are led by a purpose. In 2018, California and Hawaii each enacted legislation directing public utility commissions to establish microgrid services tariffs. Microgrid tariffs are one mechanism several of these states have pursued to address these uncertainties. resilience A National Renewable Energy Laboratory (NREL) description might go further and describe microgrids as the cornerstone of future energy operations. These are often public-facing projects that support a public institution, such as a medical campus or university. Advanced Microgrid Control and Protection, 6. To ensure microgrid developers have access to public rights-of-way, Maine HB 782 amended a state law that prohibited anyone except transmission or distribution utilities from building or maintaining infrastructure within a public right-of- way. Scaling these solutions largely depends on defining ownership structures that deliver value to both individual customers and the broader grid and offering attractive value propositions for a variety of microgrid participants. will likely continue to be pertinent in the future. hardware and to the virtual components to test the system's performance, particularly The Office of Electricity (OE) supports critical grid system research to strengthen grid resilience, help mitigate grid disturbances, and integrate renewable energy and distributed energy resources to accelerate our evolution into a more flexible, socially equitable, and secure grid of the future. However, these systems face financial and regulatory barriers in many states. Office of Electricity Motivation and background In a developed country like the United States, with an increasing shift toward an electrified and digital economy, many critical Microgrid functionality was initially tested at NREL's Energy Systems Integration The IIJA also included $63 billion to DOE to implement a wide range of programs, including some grants and technical assistance programs where microgrids are eligible projects. among emerging microgrid technologies such as grid-interactive power sources, control Seven of the 10 costliest storms that occurred between 1980 and 2014 took place during the past decade and caused over $1 billion in damages per event. Broadly speaking, these policies take aim at common barriers to microgrid deployment, including challenges to interconnecting with the larger grid and uncertainty around how microgrids will be compensated for services they provide to a utility. The development of the U.S. Department of Energy (DOE) Microgrid Program Strategy started around December 2020. Similarly, in New Mexico, the legislature enacted a Grid Modernization Roadmap and Grant Program. C-PACE is a financing toolthat allows building owners to borrow and repay funds used for qualifying clean energy projects over time through a voluntary special assessment on the buildings property taxes. The purpose was to define strategic research and development (R&D) areas for the DOE Office of Electricity (OE) Microgrids R&D (MGRD) Program to support its vision and accomplish its goals. It is being tested to demonstrate its ability to provide voltage support, SAN FRANCISCO June 1, 2023 The Linux These regionally diverse IOUs are working with regulators and legislators to create a regulatory environment that fosters scalability. Of those, nine projects included microgrids. renewables, and storageto keep the local grid running even when the larger grid experiences disturbances approaching 1 MW. June 2016. For example, a microgrid developed to enhance operational resilience for emergency response services in a community will be driven primarily by public safety considerations. diesel generator, to maintain high power quality during transitions from diesel generator Renewable microgrids can enhance grid resilience Despite these value streams and how well utilities are positioned to lead development, microgrids that are integrated into the distribution system are still rare in IOU service territories. See an example before you sign up. simulators. This can be particularly relevant for military installations, government facilities and businesses. Washington, DC 20585 WebUser Objectives and Design Approaches for Microgrids: Options for Delivering Reliability and Resilience, Clean Energy, Energy Savings, and Other Priorities explores customer The three-tiered, 300-kW/386-kWh grid-tied system is capable by reconfiguring the onsite electrical distribution system to allow for an operating The previous decade was far and away the most destructive since the federal government began tracking these storms in 1980both in terms of the frequency of severe storms and their destruction. Newman and her team predicted everything from optimal generator sizes and how much fuel theyd need to store to energy use in different types of buildings, and even solar patterns and weather in different states. Borrego Springs, California, and evaluate how a microgrid controller with advanced An Article Titled Reinventing resilience already exists in Saved items. California, Hawaii, Maine and Puerto Rico have enacted microgrid-specific legislation to provide greater certainty to developers, utilities and state regulators. There is growing interest in designing microgrids to power things like hospitals, shelters, or police stations during emergencies. Subscribe to NREL's Energy Systems Integration newsletter to receive regular updates on what's happening in grid modernization research at NREL and around the world. WebIf you believe your project may meet the eligibility criteria described above, and you have budget identified, contact us at communitymicrogrids@pge.com. On a larger scale, Connecticut has funded a Microgrid Grant and Loan Program administered by the state energy office for nearly a decade. Microgrids (MGs) can effectively enhance resilience for both transmission and distribution systems, due to their ability to operate in a controlled, coordinated way, when connected to the main power grid and in islanded mode. Learn more about the Microgrid Program Strategy. To meet the zero emissions goal, the research team found that using marine energy can cut the need to build solar and wind up to 50% compared to not including marine energy in the portfolio, plus less battery storage is needed. In October 2014, New Jersey established the nations first Energy Resilience Bank using a $200 million allocation from the U.S. Department of Housing and Urban Developments second Community Development Block Grant-Disaster Recovery. Finally, states have recognized that financing isnt the only limitation to microgrid development. Three recent case studies depict current efforts to overcome these barriers. the foundation for future testing of more complex cyber-physical systems. The vulnerable U.S. electric grid needs more microgrids for resilience, but outdated rules may get in the way, according to a new report by the National Academies of Sciences, Engineering and Medicine. At least 38 states and the District of Columbiahave enacted legislation to develop C-PACE programs, and programs are active in at least 28 states and the District of Columbia as of early 2022. high power quality during a black start onto a load. examine effects on system performance with increasing channel delays and router processing storage system developed by EaglePicher Technologies as part of an effort sponsored Each white paper was developed by a team of national laboratory and university members, and then reviewed by an industry advisory panel. When Hurricane Sandy slammed into the Eastern Seaboard in 2012, the damage was so significant, parts of New York and New Jersey were without power for months after the storm.
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