Solar

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 […]

Panels at the 2016 Edison Electric Institute convention focused on technologies and policies at what’s often called the “grid edge.”

The Minnesota Public Utilities Commission (MPUC) approved Minnesota Power Co.’s integrated resource plan (IRP) on June 9, which calls for the economic idling of the company’s Taconite Harbor Energy Center—a two-unit 150-MW facility (Unit 3 was retired in June 2015)—this fall and ceasing coal operations at the site in 2020. The MPUC also adjusted the […]

  Even though it may dominate forecasts, natural gas–fired generation faces a troubled expansion in the U.S., according to experts from a variety of stake-holding entities—including an industry group, a utility, a generator, and a pipeline company. Challenges that have few solutions—from price volatility, to gas transport concerns, to rule uncertainty—may upend the nation’s dependence […]

China unveiled its 13th Five-Year Plan this March. The official proposal that will guide the country’s economic and social development from 2016 through 2020 lays out targets and other measures to address a number of climate change, air pollution, and water policies that will build on progress to transform its power sector. The plan sets […]

Misaligned mirrors at the Ivanpah Solar Electric Generating System in California caused electrical cables to catch fire about two-thirds of the way up the Unit 3 tower on May 19, according to several media reports of statements attributed to fire department personnel. The San Bernardino County (Calif.) Fire Department (SBCFD) reported on its Facebook page […]

The world’s frenzied economic growth through 2040 won’t be matched by electricity demand growth, the Energy Information Administration (EIA) says in the International Energy Outlook 2016 (IEO2016 ) released on May 11. World net electricity generation will jump 69% by 2040, the IEO2016 reference case projects, but that is still well below “what it would […]

Hands down, 2015 was a record year for global investment in renewable energy. Excluding large hydroelectric projects, the amount of money committed to renewables rose 5%, to $285.9 billion, exceeding the previous record of $278.5 billion reached in 2011.

Uncertainty concerning a number of environmental rules is clouding planning measures, the Electric Reliability Council of Texas (ERCOT) said on May 3. Citing its latest Capacity, Demand, and Reserves (CDR) report—a snapshot of existing and planned resources and load forecasts for the next 10 years—the grid entity that manages about 90% of Texas’ electric load […]