- 7. Mai 2023
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Green line path partially loaded in the direction of the arrow It matches generation with load and maintains consistent electric frequency of the grid, even during extreme weather conditions or natural disasters. 13353 BerlinTel: +49 (0)30 89 06 42 55 E-Mail: anfrage@wecc.de, Westhafen Event & Convention CenterCookie-SettingsImprintPrivacy policyAVB. Um dir ein optimales Erlebnis zu bieten, verwenden wir Technologien wie Cookies, um Gerteinformationen zu speichern und/oder darauf zuzugreifen. At the highest level, the United States power system in the Lower 48 states is made up of three main interconnections, which operate largely independently from each other with limited transfers of power between them. Please enable scripts and reload this page. The year noted in the title reflects the data year rather than the release year. Newsroom Site Map Contact NERC Advanced Search Company Overview Committees Governance Key Players . Transmission Service Requests (TSR) Veronica Whitesmith. 4.1. The technical storage or access that is used exclusively for anonymous statistical purposes. The addition of Puerto Rico resulted in the addition of a new State (Puerto Rico; PR), Balancing Authority (Puerto Rico Miscellaneous; NA), eGRID subregion (Puerto Rico Miscellaneous; PRMS), and NERC region (Puerto Rico; PR) to the eGRID2019 files. In the United States, the power system consists of more than 7,300 power plants, nearly 160,000 miles of high-voltage power lines, and millions of low-voltage power lines and distribution transformers, which connect 145 million customers. How has the methodology for estimating methane (CH. JavaScript appears to be disabled on this computer. 0 3.6.3.2 Take all necessary actions, up to and including, shedding of firm load, to alleviate a reliability issue in the Balancing Authority Area. Since eGRID2016, plants are assigned to subregions using data from EIA and NERC in a five step process. Beginning with eGRID2012, cross-hatching on the map identifies areas where more than one eGRID subregion may apply. In many states, power companies are required to disclose the environmental attributes of their retail electricity products. Download allthe current data hereand the historical data here. The net generation in the Generator fileis based on unit-level generation data whereavailable. The Eastern Interconnection encompasses the area east of the Rocky Mountains and a portion of northern Texas. Energy & Financial Markets: What Drives Crude Oil Prices? * The 2010 and 2012 CH4 emission rates are recalculated using 0.011 kg CH4/mmBtu emissions factors for coal combustion. The number of boilers at the plant-level is changed to number of units. Arizona-New Mexico-Southern Nevada Power Area (AZ/NM/SNV) Western Interconnection-Wide Planning Facilitator- WECC provides planning functions (transmission planning and integration of resources) and policy-related functions as requested by members. How do eGRID2021subregion rates compare to eGRID2020? The grid gross loss (GGL) methodology changed, nowexcludes exports. A Balancing Authority (BA) ensures that at every moment in time, and in plans for future times, there is sufficient generation to reliably supply electricity. eGRID is valuable to those in the Federal Government, state and local governments, non-governmental organizations, companies, and academia. %PDF-1.6 % This plant was assigned the CAMX subregion based on its balancing authority, which is the Los Angeles Department of Water and Power. For a fuel type such as oil, which is the primary fuel type for relatively few plants in each region, negative net generation may have much more of an impact on the emission rates. An explanation of the . What are the regional emission rates and resource mix? For example, the CO2 output emission rate for oil in the RMPA subregion is significantly higher than the oil rates for most other regions. The control is maintained by multiple means: direct control of the generators by the computer systems, dispatch orders to power plants communicated by phone, load shedding in emergencies, and exchanging the electricity with other BAs.[15]. The "Plant operator name" field is changed to "Plant transmission or distribution system owner name" and the "Utility service territory name" field is changed to "Utility name". A balancing authority (BA) is an entity in the US electric system (as well as in parts of Canada and Mexico) that is responsible for grid balancing: resource planning and unit commitment ahead of time, maintenance of the load-interchange-generation balance within a balancing authority area (also known as a control area) and support for real-time National Emissions Inventories for the U.S. AVoided Emissions and geneRation Tool (AVERT). The CH4 emission rates in the eGRID2010 and eGRID2012 files have not been changed, those rates are based on the 0.001 kg CH4/mmBtu emission factors for coal combustion. For example, the eGRID file released in 2012 with 2009 data was previously named eGRID2012, using the new naming convention its now called eGRID2009. The total plant-level net generation in the Plant file is the sum of net generation at each plant from the Generator file. British Columbia Hydro and Power Authority. This is due to plants with negative net electricity generation. The national-fuel and state-fuel content average, calculated from EIA-923 Schedule 3A, was updated. BAL- 004-WECC-1 required Balancing Authorities within the Western Interconnection to maintain Interconnection frequency within a predefined frequency profile and to ensure that Time. If demand and supply fall out of balance, local or even wide-area blackouts can result. EIA data were allocated to unit level allowing the unit level data sum to equal the plant-level data. WECC Balancing Authority Areas and subregions. Western Interconnection (37 balancing authorities, including 3 in Canada and Mexico) ERCOT (most of Texas - 1 balancing authority - within a single state, so not regulated by the FERC) RTOs (or ISOs) - 7 Regional Transmission Pools with Wholesale Electricity Markets RTO map [ Better map and description ] [ Summary data about each RTO ] Regional Entity- WECC is required by FERC to monitor and enforce compliance with reliability standards by users, owners and operators of the bulk power system in the United States. Source publication Impact of Transmission on Resource Adequacy in Systems with Wind and Solar Power Conference Paper Full-text available Jul. This balance is needed to maintain the safe and reliable operation of the power system. eGRID data are cited by many emission inventory and registry protocols, various emission calculation tools and applications, hundreds of academic papers, and consultants; it is used for many research applications and efforts. BANC contracts with SMUD for operations of the Balancing Authority. Power Supply Adequacy Consistent with the requirement to maintain operating reserves as defined by WECC and NERC operating policies, WECC conducts, on a seasonal basis, an assessment of generating reserve margins and transmission limitations between load and resource areas as well as probabilities of supplying expected load levels, accounting for uncertainties. The revised methodology excludes net exports from each states total disposition. Electric Reliability Council of Texas, Inc. FRCC. provide a forum for resolving transmission access disputes between Members consistent with FERC policies. Forms EIA uses to collect energy data including descriptions, links to survey instructions, and additional information. eGRID2014 and subsequent eGRID editions use only EIA data, as well as a new formula (as described above). Come test out some of the products still in development and let us know what you think! Die technische Speicherung oder der Zugriff, der ausschlielich zu statistischen Zwecken erfolgt. If there are several plants that report negative net generation, then it can reduce the denominator of that equation and result in a higher overall output emission rate. 503-813-6496. 21 0 obj <>/Filter/FlateDecode/ID[<5E9D1236E8424D46B52F5FDF827E5406><5E9D1236E8424D46B52F5FDF827E5406>]/Index[7 38]/Info 6 0 R/Length 91/Prev 1419787/Root 8 0 R/Size 45/Type/XRef/W[1 3 1]>>stream Alternatively, if a subregion increased the relative proportion of fossil generation, for example, to replace generation from a retired nuclear plant, the emissions rates may increase. 1 of Chelan County CISO - California Independent System Operator DEAA - Arlington Valley, LLC DOPD - PUD No. Number: . [8] The interactions between the BAs and RCs can be compared to the ones between pilots and air traffic controllers. The generation by fuel type in the Plant file is based only on the prime mover-level generation data. 5 Tie Points. Development of emission inventories and emission standards, A detailed emissions profile, covering nitrogen oxides (NO. 4.2 Reserve Sharing Group 4.2.1. Share sensitive information only on official, secure websites. The Balancing Authority is the responsible entity unless the Balancing Authority is a member of a Reserve Sharing Group, in which case, the Reserve Sharing Group becomes the responsible entity. Balancing Authority 4.1.1 A Balancing Authority receiving Overlap Regulation Service is not subject to Control Performance Standard 1 (CPS1) or Balancing Authority ACE Limit (BAAL) compliance evaluation 4.1.2 A Balancing Authority that is a member of a Regulation Reserve Sharing Group is the Responsible . Select More options to see additional information, including details about managing your privacy settings. For ongoing work, the best practice is to apply the most recent factors available at the time. In Ihrem Browser ist Javascript deaktiviert, wird allerdings zur Darstellung unserer Seite bentigt. The actual operation of the electric system is managed by entities called balancing authorities. Northern Tier Transmission Group. Assignments are based on each plants NERC region, Balancing Authority, and transmission/distribution/utility service territory. The Western Interconnection is the geographic area containing the synchronously operated electric grid in the western part of North America, which includes parts of Montana, Nebraska, New Mexico, South Dakota, Texas, Wyoming and Mexico and all of Arizona, California, Colorado, Idaho, Nevada, Oregon, Utah, Washington and the Canadian provinces of British Columbia and Alberta. Personalized content and ads can also include more relevant results, recommendations, and tailored ads based on past activity from this browser, like previous Google searches. A Balancing Authority (BA), or Control Area, generally comprised of large and small transmission owners, is the responsible entity that matches loads to resources within the system, maintains scheduled interchange between control areas, maintains frequency within reasonable limits, and provides sufficient generation capacity to maintain operating The AVoided Emissions and geneRation Tool (AVERT) calculates avoided PM2.5, NOx, SO2, and CO2 emissions of energy efficiency and renewable energy (EE/RE) policies and programs. The supporting documentation name was changed from Technical Support Document (TSD) to Technical Guide. The Western Interconnection encompasses the area from the Rockies west and consists of 37 balancing authorities: 34 in the United States, 2 in Canada, and 1 in Mexico.
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