Solar

The conversation at the ELECTRIC POWER Conference and Exhibition, as underscored by comments made in its keynote address and at the annual event’s executive roundtable, was optimistic yet cautious, owing to

The renewable energy sector employed 9.8 million people in 2016, up 1.1% percent from 2015, according to the International Renewable Energy Agency’s (IRENA’s) “Renewable Energy and Jobs Annual Review 2017”, released May 24. “Renewable energy employment worldwide has continued to grow since IRENA’s first annual assessment in 2012, but the last two years have seen […]

Two nuclear plants owned by Exelon Corp. in Illinois and Pennsylvania failed to clear PJM Interconnection’s latest annual capacity auction, putting one of those financially crippled units at risk of early retirement. Meanwhile, procurements for solar, wind, and demand response fell dramatically compared to last year, and drastic price declines could roil the market for […]

Grid-connected batteries have long been touted as a tantalizing prospect that could help balance electricity supply and demand as the amount of installed variable renewable generation ramps up. New

The U.S. Energy Information Administration (EIA) expects natural gas–fueled electricity generation will exceed all other fuel sources once again this summer, marking the third year in a row that gas has been the leader. However, the EIA anticipates electricity generation from both gas and coal will be less this summer than in 2016. The reason […]

Global new renewable power capacity grew in 2016 even as global new investment in renewables dropped, according to a report commissioned by the United Nations Environment Program out April 6. The Global Trends in Renewable Energy Investment 2017 report found that global investment in renewables—excluding large hydro—fell in 2016 by 23% to $241.6 billion. That […]

Technology advancements and new regulatory requirements could reshape how power plant owners operate and maintain large power transformers. Experts outline emerging strategies and call attention to overlooked

The U.S. should capitalize on China’s formidable experience to put its own domestic solar power sector on a more “economically sensible” path, researchers from Stanford University said in a new report. The March 21–released report, “The New Solar System,” which was funded by a research grant from the U.S. Department of Energy (DOE), offers a […]

The boom in renewable energy, spurred by dramatically falling costs, has led some experts and political figures to begin talking seriously about what was once science fiction: A world powered entirely by renewable generation. But is it truly feasible or economic? One series of studies suggests it is—with some important caveats. In the first half […]

Pairing energy storage with rooftop solar photovoltaic (PV) systems has been widely touted as the path for greater deployment of renewable energy, but a new study from researchers at the University of Texas suggests doing so may actually increase overall energy consumption and emissions. The study, “The Impacts of Storing Solar Energy in the Home […]

As one of its first announcements under the Trump administration, the Department of Energy (DOE) will invest up to $30 million in new projects to support the integration of solar into the nation’s electric grid. The agency’s Office of Energy Efficiency and Renewable Energy announced the measure as part of its SunShot Initiative, which the […]

Solar roadways—roads that incorporate embedded photovoltaic cells—have piqued interest for several years. A few examples are finally being rolled out, though their practical applications are still being evaluated. On December 20, global transport infrastructure group Colas completed installing a solar panel paving system it calls “Wattway” (Figure 5) over 50 square meters (m2) at the […]

Amazon’s latest wind farm in coastal North Carolina has completed construction and is weeks from beginning operations—and state legislators have just asked the incoming Trump administration to shut it down. The $400 million, 208-MW, 104-turbine project, built by Apex Renewables near Elizabeth City and backed by financing from Iberdrola Renewables, is supposed to power Amazon’s […]

For the third straight year, renewable generation accounted for the majority of new utility-scale capacity additions in the U.S. during 2016, the Energy Information Administration (EIA) said on January 10. The EIA estimated that the U.S. added 24 GW of new utility-scale generation in 2016, of which 63% was renewables, almost all of it wind […]

China rolled out its latest five-year energy development plan, detailing the country’s aim of investing about 2.5 trillion yuan (more than $363 billion) through 2020 in the development of renewable energy resources. Yang Li Zhe, deputy director of China’s National Energy Board, explained the country’s vision during a press conference held in Beijing on January […]

Although optimistic about the future of the coal industry under the Trump administration, Robert Murray, CEO of Murray Energy Corp., the largest underground coal mining company in the U.S., does not expect the president-elect to bring back coal mining jobs or spur new coal-fired power plant construction. “I’ve asked President-elect Trump to temper his comments […]

In a finding that is likely to boost controversy over the future of U.S. energy policy, a comprehensive study of the full levelized cost of energy (LCOE) from various sources of electricity conducted by the University of Texas (UT) at Austin’s Energy Institute found that wind turbines and natural gas combined cycle power plants (CCPPs) […]

A 52.5-MW solar photovoltaic (PV) plant commissioned this October in Jordan will generate about 1% of the Middle Eastern nation’s power (Figure 5). 5. Solar carpet. The 52.5-MW Shams Ma’an Solar Power Plant in Jordan was commissioned this October. Courtesy: Business Wire The plant uses more than 600,000 Series 4 thin-film modules manufactured by Arizona-headquartered […]

Cuba is in the midst of a renewable revolution to transform, update, and adapt its fossil fuel–dependent power mix to its current energy needs. Because Cuba has a relatively high solar potential (~ 5 kWh/m2/day), and it is feasible to adapt solar photovoltaic (PV) technology to rural areas, islands, and isolated communities, commercial interest in […]

French multinational power company ENGIE on October 20 inaugurated a mini-network comprising 16 kW of solar photovoltaic panels, a 45-kWh lithium-ion battery bank, and a back-up genset to supply power to Ketumbeine, a village in northern Tanzania with about 800 residents. The PowerCorner project (Figure 6) was launched in early 2015. ENGIE said the project […]

Owner/operator: SolarReserve Three-and-a-half hours north of Las Vegas, in a rocky, desolate stretch of Nevada desert, an innovative solar-storage plant has nearly completed a year of commercial operations. It also may have delivered proof of round-the-clock dispatchable solar energy. The Crescent Dunes Solar Energy Project, a concentrating solar power (CSP) plant built by Santa Monica, […]

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, […]