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 [6]). But utilities report that storms have so far been the main …

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…

Electrical and energy capacity constraints in Nevada the week of August 17, 2020 resulted in an ongoing investigation by the Public Utilities Commission of Nevada, which is currently undertaking a deep examination into a variety of energy supply issues to prevent the situation from repeating…

Robert Balch has been researching the potential to store carbon dioxide underground in northwestern New Mexico for decades. His research makes a strong case for its feasibility, and both the U.S. Department of Energy and private industry are bullish on the prospect. More recently however, Ba…

New Mexico regulators this week took the first step toward establishing a community solar program for investor-owned utility customers in the state, but rules that will get the program up and running can't come soon enough for hundreds of developer applicants interested in taking advantage o…

The governors of Colorado and Nevada signed new energy legislation, including a law likely to nudge the West toward forming a regional transmission organization. Other legislation, including a Colorado bill tweaked at the last minute to avoid a veto, remains on their desks.

Colorado's largest utility has stepped back from its planned 2022 participation in the California Independent System Operator's Western Energy Imbalance Market and says it will work with other utilities in the state before making a decision about which wholesale market it will join.

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A bill that would set Nevada and its neighbors on a course to develop or join a regional transmission organization by 2030 now sits on the desk of Gov. Steve Sisolak. The sweeping legislation, which Sisolak is expected to sign, passed unanimously in the state’s Senate and with a strong major…

Nevada is set to become the first Southwestern state to go coal-free with the planned closure of the North Valmy Generating Station in 2025. NV Energy, the plant's operator and Nevada's sole investor-owned electric utility, in a filing with state regulators said it plans to replace the plant…

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Arizona regulators at a May 26 meeting partially reversed course on energy rules they had weakened, then failed to pass just weeks ago. The state now joins its neighbors in having a carbon-free mandate following a bipartisan compromise that moved the goal post out 20 years.