Clarity Grid Blog

Insights and analysis of the electric grid, wholesale prices, and the electricity markets.

Fourth Quarter 2023 US Nodal Additions

0Executive Summary ISO PNode counts for the 7 US ISOs increased by 99 for Generation and 664 for Load during the last Quarter of 2023.  However, modest nodal count additions masked significant increases in Generation and particularly Storage additions onto the US Grid last Quarter. Based upon PNode (Price Node) additions by US ISOs, reported and publicly available mw of...

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ERCOT ESR Reporting Service

Clarity's new ESR Reporting Service allows Users to access a current GIS view of all Batteries currently operating in ERCOT with their most current Operating and Financial Performance. High energy prices and the introduction of the new ECRS Ancillary service drove strong profitability for most Batteries in June-September of this past year.

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ERCOT MVa Reporting Series

Clarity Grid Solutions' recently introduced MVa Reporting Series provides highly accurate estimates of hourly power flow through each of ERCOT’s 4,611 Substations.  Employing official ERCOT data, Clarity calculates the “Apparent Power” in MVa terms which can be directly compared to public “Stated MVa” capacities for Substations potentially available for interconnection...

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Third Quarter 2023 US Nodal Additions

Executive Summary ISO PNode counts for the 7 US ISOs were relatively modest during the most recent Quarter, growing by 688, 628 Load, and 60 Generation.  This brings the total PNodes in Clarity’s library to 77.121 nodes. Unlike previous quarters, there we no new Utility Systems added to either the CAISO or SPP EIM markets dampening the number of new PNode additions. ...

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Second Quarter 2023 US Nodal Additions

Executive Summary ISO PNode counts for the 7 US ISOs grew by 1,532 during the second Quarter of 2023, 1,287 for Load and 245 for Generation, bringing Total PNode counts in Clarity’s database to 76,397. While last Quarter’s node growth was driven by EIM additions in CAISO, this Quarter SPP’s EIM (WEIS) was the principal driver of node additions largely due to the addition...

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First Quarter 2023 US Nodal Additions

Executive Summary ISO PNode counts for the 7 US ISOs grew by 1,311 during the first Quarter of 2023, 1,077 for Load and 234 for Generation, bringing Total PNode counts in Clarity’s database to over 75,000. Additions were largely driven by the introduction of transmission, distribution, and generation assets of new Extended Energy Market (EIM) members in CAISO.  Also, in...

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Fourth Quarter 2022 PNode Additions

Executive Summary There were broad additions to nodal totals for the 7 US ISOs during the 4th Quarter of 2022 to finish out the year.  Once again ERCOT led the way in additions to Load Buses (386), while CAISO saw significant additions to both Generation and Storage nodal points (158). In terms of capacity additions to the Generation stack, CAISO saw significant...

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Third Quarter 2022 PNode Additions

Executive Summary SPP grew its nodal count during the Third Quarter 2022 almost exclusively through the addition of WAPA’s Western Area Colorado Missouri Balancing Area Utilities.  The inclusion of nodal points owned by Basin Electric, Black Hills Electric,  Cheyenne Light Fuel and Power, High West Energy, and Tri-State G&T, amongst others, added over 500...

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Second Quarter 2022 PNode Additions

Executive Summary Despite the addition of two large Utility EIM Members to CAISO (BPA and Tucson Electric), little meaningful new Generation or Load was added to the Seven ISO Grid System during the Second Quarter of 2022.  In fact, with the exception of the almost 2.5 GW of Solar and 250 mw of Storage in Ercot, virtually no new Generation was added to US ISO Grid...

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First Quarter 2022 PNode Additions

As the Electric Grid changes and new sources of generation and load appear, Independent System Operators (ISOs) react by accommodating supply and demand through the interconnection process which receives much attention from Market Participants. Some projects make their way through the siting and approval process, and some do not. However, one of the most significant...

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