Solar

As energy storage becomes more ubiquitous and projects grow in size and capacity, utilities of all types are exploring the best ways of putting it to use across the grid. The opportunities are large, but so are the challenges, according to a panel of executives who spoke at Energy Storage North America in October. New […]

FirstEnergy Corp.—one of the nation’s largest investor-owned electric utilities, serving customers in Ohio, Pennsylvania, West Virginia, Maryland, New Jersey, and New York—has made the strategic decision to exit the competitive power business. “We have made our decision that over the next 12 to 18 months we’re going to exit competitive generation and become a fully […]

The November 8 election yielded surprising results for controversial energy-related measures in three states. In Florida, voters rejected Amendment 1, a measure backed by utilities to curb the expansion of resident-owned solar rooftop installations. In Washington, the nation’s first state attempt to impose a carbon tax on fossil fuels and power generated from fossil fuels fell […]

Although many observers consider Elon Musk—the visionary entrepreneur who leads Tesla Motors and SpaceX—to be a disruptive force threatening the conventional power industry, he believes power companies have a bright future, if his goal to expand the use of electric cars and install vast numbers of rooftop solar systems is achieved. Speaking during a presentation […]

As installed capacity in the U.S. continues its breakneck growth, the solar photovoltaic sector is poised for another leap forward with a variety of new technologies—if increasingly ill-suited regulations and rate designs can be updated to keep pace. The global solar market has moved beyond its early, uncertain days. The luxury of behaving like start-ups […]

The Minnesota Public Utilities Commission (MPUC) voted unanimously to support Xcel Energy’s latest long-range plan, which will transform the company’s energy fleet. Xcel expects to more than double its renewable energy portfolio as a result, delivering greater than 60% carbon-free energy to its Upper Midwest (Michigan, Minnesota, North Dakota, South Dakota, and Wisconsin) customers by […]

Dreams of a future of round-the-clock dispatchable solar energy may have become reality at the Crescent Dunes Solar Energy Project in Nevada.

Big or small? Centralized or distributed? The answer, at least for energy storage, may be both, but what that future may be is unclear, if early discussions at the Energy Storage North America (ESNA) conference in San Diego October 4–6 are anything to go by. Speaking on the first night’s opening keynote panel, Colin Cushnie, […]

The push for clean energy notwithstanding, no silver bullet can cure the challenges that our continued use of carbon engenders. Every form of energy production, green or black, clean or dirty, presents downsides. Siting an energy facility—whether clean energy, hydro, natural gas, coal or nuclear—inherently imposes some form of environmental harm. For renewables, one of […]

Global resources of variable renewable energy—primarily wind and solar—despite breakneck growth over the past two decades, are beginning to run up against technological and policy limitations on further deployment, and future growth will depend on significant changes in policy and grid design, according to a new report. Released on September 20, Variable Renewable Energy Sources […]

States, regulators, and market participants have in recent years called attention to a trend concerning uneconomic baseload generation in organized wholesale markets, specifically in ISO New England, New York Independent System Operator (NYISO), MISO, PJM, the Electric Reliability Council of Texas (ERCOT), and the California Independent System Operator (CAISO). Cheap natural gas, low power demand […]

After years of incremental advances, a variety of innovations both simple and exotic are promising to boost the output of solar photovoltaic (PV) systems as much as 30% over current technologies—if the market can be convinced to adopt them. The Dawn of SiC For a generation, silicon has been the go-to material for semiconductor substrates. […]

The global solar market has moved beyond its early, uncertain, freewheeling days. The luxury of behaving like start-ups has passed, and major firms in solar need to “grow up.” That at least was the message from top executives at Solar Power International (SPI), the industry’s largest trade show, in Las Vegas. David Crane of Pegasus […]

NRG Energy has taken action to acquire 2.1 GW of utility-scale wind and solar assets owned by bankrupt renewables giant SunEdison with a $144 million auction bid this week. New Jersey–based NRG Energy on Sept. 12 executed a purchase and sale agreement (PSA) to take on 200 MW of SunEdison’s construction-ready, fully contracted solar assets […]

Duke Energy Renewables, part of Duke Energy’s Commercial Portfolio, announced on September 7 that it will add six Georgia solar projects to the 2.8-GW renewable energy portfolio the company owns and operates. The projects are relatively small in terms of capacity—averaging about 1 MW DC each (769 kW AC)—but they are the first Duke Energy […]

If wind and solar photovoltaic (PV) penetrations in the Eastern Interconnection were amped up to 30%, they would decrease coal, combined cycle, and combustion turbine capacity factors by 30% to 50%, a new study from the National Renewable Energy Laboratory (NREL) suggests. The study, NREL’s Eastern Renewable Generation Integration Study (ERGIS), was released on August […]

Prices for solar energy systems fell to record lows across all sectors in 2015, according to two new reports from the Lawrence Berkeley National Laboratory (LBNL). The LBNL reports, released on August 24, are Tracking the Sun IX, which focuses on installed pricing trends in the distributed solar photovoltaic (PV) market, and Utility-Scale Solar 2015, […]

A unanimous vote by New Mexico’s Public Regulation Commission (PRC) today determined that Public Service Co. of New Mexico (PNM) will be allowed to provide new renewable capacity to a proposed Facebook facility through a special service agreement.

Reliability and cybersecurity ranked as the two most important issues currently confronting the electric industry, according to surveys completed by 672 qualified utility, municipal, commercial, and community stakeholders for Black & Veatch’s “2016 Strategic Directions: Electric Industry Report.” It’s not particularly surprising to see reliability rank at the top of the list. “Reliability has always […]

The New York State Public Service Commission (PSC) approved New York’s Clean Energy Standard on August 1, likely saving three upstate nuclear power plants, while requiring 50% of the state’s electricity to come from renewable energy sources by 2030. Gov. Andrew Cuomo (D) praised the action in a statement following the announcement. “New York has […]

Power and utility deals through Q2 2016 are already outstripping full-year totals for previous three years.

The U.S. nuclear power business is in trouble, and Exelon has six units totaling more than 5,300 MW of dependable capacity on the chopping block. How will the Chicago electricity giant respond? Perhaps by acquiring more merchant nuclear capacity?

Despite escalating growth over the past decade, the U.S. solar power sector faces potentially crippling issues concerning module supply, workforce deficiencies, and grid interconnection obstacles, according to industry experts attending an international solar and energy storage convention. The country added an estimated 14.5 GW of new solar photovoltaic (PV) capacity in 2016, and by 2021, […]

  Pairing solar with energy storage will be integral to cement the future of both emerging sectors, said experts at the Intersolar North America’s annual event held this week in San Francisco. The three-day event and exhibition was co-located with ees North America, a stand-alone event focused on energy storage technologies and services. But experts […]

The “polar vortex” storm of January 2014 blew in big changes to PJM Interconnection’s operations. But these changes are now the subject of a lawsuit filed by environmental groups, alleging they discriminate against clean energy sources. The sub-zero temperatures froze coal piles and gearboxes. Natural gas plants, lacking firm contracts for fuel delivery, were unable […]

Renewable generation is usually characterized as more environmentally friendly than fossil fuels, and in many respects, that’s true. But there is a growing recognition that solar and wind generation have their own impacts, and an increasing number of manufacturers and generators are looking for ways to minimize them. Iceland might be about the last place […]

The U.S., Mexico, and Canada today announced an unprecedented goal to procure 50% of North America’s total power generation from renewables, nuclear, carbon capture and storage (CCS), and energy efficiency technologies by 2025. President Obama, Prime Minister of Canada Justin Trudeau, and the President of Mexico Enrique Peña Nieto, announced the continental goal, part of […]

Enrico Viale, head of global thermal generation for the Italian energy company Enel, kicked off an international power industry event yesterday with a keynote presentation describing the “needs” of utilities in the future.

Diablo Canyon, the two-reactor nuclear power plant on the central California coastline, will be permanently shuttered by 2025 under a renewables-boosting initiative announced today by its owner, Pacific Gas and Electric (PG&E). The company on June 21 unveiled a “joint proposal” with labor and environmental groups that seeks to increase investment in energy efficiency, energy […]

  The Environmental Protection Agency (EPA) has unveiled details of the Clean Energy Incentive Program (CEIP), a voluntary measure central to the judicially stalled Clean Power Plan that seeks to provide guidance to states and tribes that want to meet goals under the plan when it becomes effective. The final Clean Power Plan, finalized in […]