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An Xcel subsidiary serving southeastern New Mexico and West Texas plans to stick to a retirement and conversion schedule for two coal-fired power plants in its portfolio, despite the "irreversible decline" of an aquifer that provides water to one 1,000-MW coal plant as well as farms and comm…

A controversial billion-dollar thermal solar plant in the Nevada desert is back in operation amid continuing litigation and following federal loan defaults, numerous technical problems, a complex bankruptcy and the loss of its contracted customer.

Nevada-based Southwest Gas Holdings is in a fierce battle with billionaire activist investor Carl Icahn, who is publicly protesting Southwest Gas' proposal to acquire Questar Pipeline LLC from Dominion Energy for $1.5 billion in cash and assume $430 million of its debt.

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The Arizona Corporation Commission, at a three-day meeting dedicated to reviewing the proposed rate case of the state's largest utility, voted to reduce a rate of return on equity for coal investments. However the commission punted on a highly anticipated decision regarding "just transition"…

The Public Utilities Commission of Nevada at a Sept. 23 meeting expedited the approval of upgrades to three natural gas facilities that NV Energy says will increase output, efficiency and operational flexibility while reducing fuel consumption and contributing to resource adequacy by summer 2022.

The Arizona Corporation Commission gave the go-ahead for the state's largest utility to expand and adjust transmission and distribution assets to serve a new industrial customer, and also paved the way for further industrial development related to electric and hydrogen fuel-cell vehicle manu…

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In the midst of a summer in the West filled with rising gasoline prices and downed power lines due to wildfires and monsoons, the advancement of electric vehicles has taken a back seat to these emergency situations. The Desert Southwest, however, has made some significant EV advancements tha…

A wholesale generation and transmission cooperative, in response to concerns from federal regulators and its own membership, proposed modifications that would make it easier for members considering early exit from their contracts to determine the economic impact of that departure.

Hearings before the New Mexico Public Regulation Commission regarding the planned merger of New Mexico's largest utility with the U.S. subsidiary of a Spanish multinational energy conglomerate concluded Aug. 20, but a subsequent filing offering additional concessions by the merger applicants…

The combination of economic efficiency and energy efficiency is often overlooked in business and environmental circles, but the City of Albuquerque is efficiently addressing the combination of the two issues through its Community Energy Efficiency program.

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The Arizona Corporation Commission on Aug. 18 unanimously approved a rate rider for Arizona Public Service that is designed to allow the utility's commercial and industrial customers to purchase electricity generated from newly built renewable resources while lowering rates for customers not…

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Hearings on the proposed merger between Public Service Company of New Mexico, the state's largest utility, and Avangrid, the utility arm of Spanish multinational energy company Iberdrola, began this week before the New Mexico Public Regulation Commission without representation by Iberdrola's…

The Federal Energy Regulatory Commission recently approved a wholesale rate settlement between Tri-State Generation and Transmission Association and its 42 utility members in four states, resolving the first major rate case the wholesale power provider has filed since becoming subject to fed…

In what has been deemed a dramatic change from its recent predecessors, the New Mexico Public Regulation Commission is taking a proactive stance on many issues, from the request-for-proposals process to the promotion of clean energy resources, one of the subtle surprises in the state's regul…

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A pending merger between New Mexico's largest utility and the U.S. subsidiary of a Spanish multinational energy company came under increased scrutiny with the revelation of a Spanish legal investigation into Iberdrola's chief executive and alleged corruption by the state’s attorney general.

Tri-State Generation and Transmission Association on July 19 asked federal regulators for more time to file a modified contract-termination payment methodology that would simplify the exit process for its utility members interested in exploring the option of terminating their contracts early.

As Arizona endures its first major monsoon season in three years—a season that includes power outages, downed electric lines and increased energy bills—the state's largest electric utility, Arizona Public Service, is in the middle of rolling out its new Going Green and Going Smart program, a…

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Arizona's top regulator, Lea Márquez Peterson, has made much of the potential for power disruptions in her state due to California's plan to prioritize power passing through its infrastructure for local needs (see CEM No. 1648). But utilities report that storms have so far been the main culp…

Arizona's investor-owned utilities are navigating the energy transition by implementing programs to bring more renewable resources and encourage electric vehicle usage in the state. Regulators at a meeting this week approved a plan from the state's largest IOU for a new demand-side managemen…

Arizona regulators are contending with rising temperatures and an increase in heat-related deaths, including two this year that occurred after electric service was disconnected during hot weather, as a two-year effort to establish rules prohibiting utilities from disconnecting power during e…