When Hurricane Maria tore through Puerto Rico in 2017, causing the longest power outage in U.S. As such, one key feature of a microgrid is its ability to continue operating even when the larger grid goes out. When the grid goes down due to anything from a severe weather event to a knocked over telephone pole, you need to be disconnected from the grid–or “islanded”–in order to continue to produce and use electricity. Microgrids can become electrically isolated from the grid in the event of an outage. However, with the falling cost of solar, not to mention the environmental benefits of switching from fossil fuel generation to solar power, many of the microgrids being designed today supply electricity with a combination of solar plus battery storage. Given that microgrids are an older concept, the electricity supplied to microgrids has historically been from “behind the meter” fossil fuel generators - gas-powered generators, for example. To meet the electricity demands of its users, a microgrid must have a generation source. In practice, a microgrid works in the exact same way, just for a smaller geographic area, like a couple of buildings or a local community. The electrical grid exists to supply our electricity demand, ensuring the two are balanced and connecting electrical supply to electrical demand with the transmission and distribution system. In person at the Energy Bureau’s Clerk’s Office, at the address set forth above.A microgrid is exactly what it sounds like: a compressed version of the larger electrical grid that powers our country.By postal mail addressed to the Puerto Rico Energy Bureau’s Clerk’s Office at World Plaza Building, 268 Muñoz Rivera Ave., Suite 202, San Juan, PR 00918-1925.Online, using the Energy Bureau’s Electronic Filing System.By email to the following address: comentariosjrsp.pr.gov.Comments are due on or before July 30, 2021.įeedback may be filed through any of the following means: The PREB is requesting input from stakeholders and interested persons before initiating rule making procedure by way of submittal of comments on the preliminary draft of the “Generating Facility and Microgrid Interconnection Regulation” with the intention to improve said draft before the formal rule making process commences. 8916, the PREB published a single comprehensive interconnection regulation entitled “Generating Facility and Microgrid Interconnection Regulation.” Such document is intended to serve as a preliminary draft rule that would apply to any generating facility or microgrid seeking to interconnect to the electric power system, excluding only islanded systems. 8915, and PREPA’s Regulation to Interconnect Generators to the Electric Transmission and Sub-transmission System of the Electric Power Authority and Participate in the Net Metering Programs, Regulation No. In the process of formulating and requiring modifications to the existing interconnection regulations, such as PREPA’s Regulation to Interconnect Generators to the Electric Distribution System of the Electric Power Authority and Participate in the Net Metering Programs, Regulation No. The PREB deemed appropriate to deal with matters related to the interconnection of electrical systems to PREPA’s electric grid by consolidating both cases. NEPR-MI-2019-0009 to address the process for the modification of the interconnection regulations and their alignment with public policy. CEPR-MI-2018-0008, the PREB had ordered the Puerto Rico Electric Power Authority (“PREPA”) to adopt regulations to govern the interconnection of microgrid systems to PREPA’s grid. On July 15, 2021, the Puerto Rico Energy Bureau (“PREB”) issued a Resolution and Order wherein it notified the joinder of case no.
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