reliability
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Trends
ERCOT, MISO Warn of Potential Power Supply Shortfalls
(Updated—May 6, 2022) The Electric Reliability Council of Texas (ERCOT) and the Midcontinent Independent System Operator (MISO) over the past week separately expressed concerns about power supply uncertainties in the face of upcoming warmer-than-normal temperatures. MISO raised an alarm on April 28 when it said that it projects “insufficient firm resources” to cover the summer […]
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Gas
Arizona Regulator Rejects SRP’s 820-MW Aeroderivative Gas-Fired Expansion
The Arizona Corporate Commission (ACC) has delivered a major blow to the Salt River Project Agricultural Improvement and Power District’s (SRP’s) urgent plans to expand the 575-MW gas-fired Coolidge Generating Station with 820 MW of fast-start capacity. The ACC in a 4–1 vote on April 12 denied approval of the public power utility’s Certificate of […]
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O&M
The Economics of Reliability: U.S. Power Generation, Transmission, and Distribution
The U.S. power network received attention for tragic reasons in 2021. From February 10 through 20, Texas suffered a severe power crisis due to a confluence of catastrophic winter storms. Failures occurred across all types of electricity generation facilities—natural gas, coal, and nuclear plants shut down, and wind turbines froze. Problems cascaded, as the compressors […]
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Markets
Winter Freeze Testing Texas Power Grid Reforms
Parts of Texas have suffered localized, distribution-level power outages as an Arctic outbreak sent temperatures plummeting across the state, but its heavily scrutinized grid is largely prepared to weather the storm, state entities said. Frigid temperatures stemming from a large dome of Arctic high pressure are sending temperatures into the single digits and below zero […]
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History
New Era for NextEra: A Utility Spotlight
Since its inception as Florida Power & Light Co. in 1925, NextEra Energy has transformed into the world’s largest utility company. The company’s history is symbolic of the growth and uncertainty that has characterized the history of power.
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Commentary
Coal Is Still King
For all the talk about the demise of coal, it may be important to note that coal generated 35% of the world’s electricity in 2020, more than any other fuel. Even in the U.S., coal was expected to generate
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Gas
ISO-NE Warns Fuel Supply Issues May Threaten Winter Power System Reliability
New England faces a precarious fuel supply risk that could necessitate emergency actions if a severe prolonged cold snap hits the region this winter, ISO New England (ISO-NE) has warned. The regional grid operator expects power demand will peak at 19,710 MW during average winter weather conditions of 10F, but if temperatures plunge below 5F, […]
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T&D
FPL and SDG&E Win Awards for Outstanding Reliability
PA Consulting recognized Florida Power & Light (FPL) and San Diego Gas & Electric (SDG&E) as co-recipients of the global consultancy’s National Reliability Award. The prestigious award is presented to “the utility that showcases a focus on customer service, technology deployment, operational successes, and data and analytics.” It’s only the second time in the award’s […]
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Commentary
COP, New Energy Laws, and the Power of Competition
There’s a lot going on in the energy world right now. The United Nations Climate Change Conference (COP26) is happening in Glasgow, Scotland. Congress recently passed major new energy legislation in the Infrastructure Investment and Jobs Act. And as consumers soon will find out if they don’t already know: much higher energy costs and heating bills are […]
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News
Water Intake Reliability in the Age of Environmental Uncertainty
Thermal power plants need a continuous supply of cooling water to operate, but as the natural environment changes, more and more screen blockages are occurring at cooling water intakes. Maintaining intake