Arizona Public Service

An Oregon-headquartered developer and operator of utility-scale battery energy storage systems said it has acquired a major project in Arizona that will serve customers of Arizona Public Service (APS). GridStor announced the acquisition of the 100-MW/400-MWh White Tank battery storage project from Strata Clean Energy, a solar power and energy storage developer based in Durham, North Carolina.

Recurrent Energy, a subsidiary of Canadian Solar, and a global developer, owner, and operator of solar and energy storage assets, on July 7 announced that the 1,200-MWh Papago Storage facility in Maricopa County, Arizona, has reached commercial operation. The project is now dispatching stored energy to Arizona Public Service (APS), the state’s largest electric utility, […]

Arizona’s three major electric power utilities said they will collaborate to explore adding more nuclear power generation in the state, possibly placing small modular reactors (SMRs) or building large reactor projects at the locations of retiring coal-fired power plants. Arizona Public Service (APS), Salt River Project (SRP), and Tucson Electric Power (TEP) on Feb. 5 […]

A major U.S. solar power developer announced it has a power purchase agreement (PPA) with Arizona Public Service (APS) for the energy produced from the Kitt Solar Project. Avantus, the former 8minute Solar Energy, on Dec. 9 said the PPA includes 100 MWac/130 MWdc of solar from the installation in Eloy, in Pinal County. It […]

Through its innovative virtual power plant (VPP), Arizona Public Service (APS) harnessed smart home devices to save 138 MW during a historic heatwave, shifting peak demand and proving critical for grid

The U.S. nuclear power industry has an ally with a unique platform to spread the sector’s message of providing reliable, clean electricity. Meet Grace Stanke. She’s not just a student at the University of Wisconsin-Madison working on the final stages of a degree in nuclear engineering. She is also Miss America 2023. “A lot of […]

AES Corp. has announced the start of commercial operations for phase one of the Chevelon Butte wind farm in Arizona, a project sited on one of the state’s oldest working cattle ranches. AES on June 1 said the project’s first phase is bringing 238 MW of power generation online, with another 216 MW expected to […]

Reston, VA (January 28, 2021) – Electrify Commercial will provide its industry-leading charging equipment, networking, and customized services to support Arizona Public Service Company (APS) with its Take Charge AZ investment in electric vehicle (EV) fast charging. The project includes five new charging stations with four individual chargers each, for a total of 20 ultra-fast chargers across the […]

U.S. power plant operators continue to change procedures at their facilities, including pushing back scheduled maintenance, due to lockdowns and quarantines associated with the coronavirus pandemic. The changes are impacting companies such as General Electric (GE) and Siemens, which are major service providers to power plants, at a time when these global companies already are […]

It’s a rite of spring for the U.S. nuclear power industry. Plant operators schedule refueling outages, taking a reactor offline not only to refuel but also to perform repairs or other maintenance, and facility upgrades. It’s a task made more problematic this year, as social distancing and travel restrictions brought on by the COVID-19 pandemic […]

Arizona Public Service (APS) announced Jan. 22 that it plans for all its power generation to be carbon-free by 2050, and also said it plans to produce nearly half its power from renewable sources by 2030. APS joins other U.S. utilities who have put forth similar goals in recent years. APS, which has been criticized […]

APS scales from pilot to full deployment at three power plants, wirelessly monitoring all rotating assets. SAN JOSE, Calif., August 27, 2019 — Arizona Public Service (APS) announced that they have significantly scaled their investment in wireless PdM (predictive maintenance) with Petasense, a Silicon Valley based venture-backed leader in Industrial IoT. Petasense provides the ARO […]

The world’s nuclear sector is struggling to stay economically afloat amid a deluge of renewables and natural gas power, and reinvigorating it will require operational flexibility from new or existing

The U.S. Department of Energy (DOE) and members of Congress are looking at legislation concerning research and regulation of energy storage. Sen. Lisa Murkowski (R-Alaska), who chairs the Energy and Natural Resources committee, on July 9 said there is bipartisan interest in combining a handful of bills on energy storage, dealing with research and development […]

Arizona’s largest utility wants to support its renewable power portfolio by adding as much as 850 MW of battery storage capacity to its solar power plants by 2025. Arizona Public Service Co. (APS) made the announcement February 21. Don Brandt, the utility’s chairman and CEO, in a statement said, “Arizona is already a national leader […]

The companies negotiating to purchase the largest coal-fired power plant in the southwestern U.S. have ended their pursuit, which means the 2,250-MW Navajo Generating Station (NGS) near Page, Arizona, remains scheduled to close by year-end 2019. Avenue Capital, a New York-based global investment firm focused on distressed assets, and Chicago-based Middle River Power on September […]

The possible new operator of the largest coal-fired power plant in the western U.S. told Arizona regulators this week the company would run the Navajo Generating Station (NGS) at less than half its installed generation capacity in order to maintain profitability. An official for Illinois-based Middle River Power (MRP) also said the plant would operate […]

The Navajo Nation on July 12 said it has identified a potential buyer for the 2,250-MW Navajo Generating Station (NGS) in Arizona, the largest coal-fired power plant in the western U.S. The Navajo Nation Council, in a joint news release with the Navajo Nation’s Office of the President and Vice President, said the Hopi Tribe […]

A suburban Chicago-based energy company executive on June 7 told Arizona officials his group is putting together a proposal to purchase the Navajo Generating Station (NGS), the largest coal-fired power plant in the western U.S. The plant’s current owners have said they will close the 2,250-MW facility by year-end 2019 unless a buyer is found. […]

The Navajo Generating Station (NGS) in Arizona is scheduled to close by year-end 2019, but intervention by the federal government could keep the West’s largest coal-fired power plant operating. At the same time, more than 300 of the plant’s workers, along with family members, union representatives and tribal leaders, held a rally in Phoenix on […]

The duck curve is named for its resemblance to a duck, with its peaks and valleys highlighting the effect solar production has on the power demanded from thermal generators and hydropower resources throughout

State regulators in Arizona want the state’s investor-owned utilities to source more of their electricity from renewable sources, and develop more energy storage options, rather than rely on new natural gas-fired generation in the future. State senators, however, voted March 14 to give utilities a way to get around any voter-supported mandates for renewables. The […]

Peabody Energy on October 2 said several investors are interested in taking over the Navajo Generating Station in Arizona, a coal-fired power plant on tribal land whose current owners, including Salt River Project (SRP), voted earlier this year to close the facility. Peabody’s Kayenta Mine supplies fuel for the plant. Lazard Freres & Co., a […]

Integrating California Independent System Operator’s (CAISO’s) and PacifiCorp’s networks—the two largest high-voltage transmission grids in the West—could yield billions of dollars in shared cost reductions within the first 20 years alone through efficiencies, a new study says.  The report commissioned by PacifiCorp stems from a memorandum of understanding signed by the independent system operator (ISO) […]

The Palo Verde Nuclear Generating Station led the U.S. in electrical generation in 2014, as it has done for 23 consecutive years, with a total output of 32.3 million MWh. That bested its previous record set in 2012. The Palo Verde plant is located about 45 miles west of Phoenix, Ariz. (Figure 5). It has […]