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MISO Long-Term Nodal Insights

LCG, November 12, 2025--LCG Consulting is excited to announce the release of the MISO 2034 Data Model, built from the latest MISO Transmission Expansion Plan (MTEP). This powerful, nodal-level data model offers a forward-looking view of generation, transmission, and load forecasts across the MISO region—empowering energy professionals to explore the grid of the future with confidence.

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Xcel Energy and "Allies" Request Retirement Extension for Comanche Generating Station Unit 2

LCG, November 12, 2025--Xcel Energy, together with the Utility Consumer Advocate (UCA), Colorado Energy Office (CEO), and Trial Staff of the Public Utilities Commission (PUC), filed a petition on November 10 requesting Commission approval to keep Comanche Generating Station Unit 2 available for up to one additional year after its currently planned retirement on December 31, 2025.

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Industry News

ERCOT Releases Seasonal Assessment of Resource Adequacy for Spring

LCG, March 3, 2016--The Electric Reliability Council of Texas (ERCOT) on Tuesday released its Seasonal Assessment of Resource Adequacy (SARA). ERCOT expects the region will have sufficient installed generating capacity to serve forecast peak demands with expected generation outages in the upcoming spring season (March - May 2016).

This SARA report is ERCOT's latest spring 2016 peak forecast that incorporates expected weather conditions, which are similar to those that occurred in May 2006, a hotter-than-normal month. The report includes a unit outage forecast of 9,482 MW based on historical outage data since the start of the Texas Nodal Market in 2010. The forecast assumes the high likelihood that the spring peak will occur in May, after completion of most scheduled seasonal maintenance.

The SARA report calculates the spring peak solar unit capacity consistent with the methodology to be applied once operational solar capacity registered with ERCOT reaches the 200 MW threshold as specified in ERCOT Nodal Protocol Section 3.2.6.2.2. The spring peak solar capacity contribution percentage is 58%, which is based on three years of historical spring solar production data. The previous capacity contribution percentage of 100% was significantly higher. The impact of this change is to reduce total available installed and planned solar capacity from 295 MW to 171 MW.

ERCOT stated that it does not anticipate changes to available generation capacity for the spring season due to compliance with environmental regulations. The final compliance date for the Mercury and Air Toxics Standards (MATS) for coal units with compliance extensions is April 15, 2016. Confidential survey information gathered in December 2015 indicated that coal generators are expected to be compliant with MATS by the compliance date. ERCOT continues to monitor implementation and consults with generation resource owners on their compliance plans for MATS and other environmental regulations.
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