Solar

Levelized Cost of Electricity

The global market for solar photovoltaic (PV) panels shows no signs of slowing down, with cumulative installed capacity expected to reach 700 GW and annual demand to pass 100 GW by 2020, according to GTM Research. This booming market has spurred manufacturers to introduce a variety of innovations intended to increase panel efficiency and reduce […]

Will rooftop solar photovoltaics be the most economical way to deploy today’s hottest new generating technology, or will central utility solar PV systems be the best economic bet? Is there a third way? The answer appears to be “yes.” Solar photovoltaic (PV) power has emerged as the hottest new trend in renewable energy generation, primarily […]

Seven power producers have joined 74 other companies in signing on to the Obama administration’s American Business Act on Climate initiative, which is aimed at rallying U.S. companies behind the need for action on climate change ahead of international climate talks in Paris next month. The seven are Berkshire Hathaway Energy (BHE)—parent company of PacifiCorp, […]

The Clean Power Plan could force the retirement of up to 4 GW of coal-fired capacity in the region served by the Electric Reliability Council of Texas (ERCOT) starting as soon as 2022, an updated analysis suggests.  The independent system operator that manages about 90% of Texas’ electric load acknowledged that fewer coal units are […]

Energy storage needs better energy storage policy. Speaking at the Energy Storage North America (ESNA) conference in San Diego on Oct. 12, Garrett Fitzgerald, senior associate with the Rocky Mountain Institute (RMI), was frank about the challenge facing energy storage technologies: They’re starting to get well ahead of the regulatory regimes that are needed to […]

India and 73 other countries submitted their carbon emission reduction targets for 2025 and 2030—or Intended Nationally Determined Contributions (INDCs)—ahead of the deadline last week, with just two months remaining until talks to confront climate change are due to begin in Paris.  The United Nations (UN) has so far received 120 separate pledges covering 147 […]

Battery energy storage has exploded in deployment over the past several years, but the majority of it by capacity, especially in North America, is deployed at grid scale. That may be a problem, because a new study from the Rocky Mountain Institute (RMI) suggests the greatest value to the system lies with behind-the-meter batteries—distributing battery […]

Kuwait’s government in August approved the construction of several power plants and desalination facilities to boost its capacity by 3,580 MW. Like its oil- and gas-rich neighbors in the Gulf Cooperation Council region, Kuwait is seeing a power shortage owing to its growing population and economy. With only five power plants, the country has experienced […]

Russia and Vietnam Ink Deal for First Ninh Thuan Nuclear Unit. Russia’s nuclear group Rosatom and Vietnam’s state-owned power company Electricity of Vietnam (EVN) on July 30 signed a general framework

NRG Energy has embarked on a “reset” that will see a separation of its core distributed generation and fossil fuel businesses.  The company, headquartered in Princeton, N.J., wants to “simplify” NRG Group to cut down expenses and debt. In a transition that will begin now and be fully effective on Jan. 1, 2016, it will separate […]

The global concentrating solar power (CSP) sector, criticized by some observers for high costs and uncertain technology, is poised for significant growth and a key role in the power mix—provided markets are structured to properly value their ability to store and dispatch renewable energy, three senior CSP executives said on Sept. 16. Speaking at the […]

Speaking at the Solar Power International (SPI) conference in Anaheim, Calif., on Sept. 16, U.S. Vice President Joe Biden hailed the nation’s progress in expanding its solar generation capacity and announced several new investments in solar power technology as part of the Department of Energy’s (DOE’s) Sunshot Initiative. In an enthusiastic and animated address to […]

Nuclear costs aren’t on the rise globally as has been widely thought, says a new report from the International Energy Agency (IEA) and Nuclear Energy Agency (NEA) surveying the levelized cost of generating electricity (LCOE).  The eighth edition of the report, “Projected Costs of Generating Electricity” compiles data for 181 plants in 19 OECD and […]

Warren Buffett bought Nevada’s NV Energy two years ago, a move widely seen as a play for solar and renewable generation. That’s working out. But as the company transitions away from legacy coal and high-priced renewable contracts signed years ago, large customers are rebelling, and the company faces a challenge to keep its big dog […]

Though most power generators and states might have preferred to not deal at all with a new rule regulating greenhouse gas emissions, the final Clean Power Plan (CPP), released August 3, gives most of the power

For decades, hydropower plants were mainly built and operated as a cost-efficient source of clean electricity. But despite more than a century of development, there is still scope for expanding generation from

An official four-year-long investigation into the Solyndra debacle confirms that the bankrupt maker of cylindrical solar photovoltaic panels misled the Department of Energy (DOE) to get a $535 million federal loan guarantee, but it also reveals that the DOE didn’t properly vet those facts, missing opportunities to catch inaccuracies, possibly due to political pressure. The […]

The Department of Interior (DOI) has approved the 485-MW Blythe Mesa Solar project, a photovoltaic (PV) project that will be built in Riverside County, Calif. RRG Renewables’ project will be built on 3,587 acres of private land—”primarily lands that have already been disturbed by agricultural use,” the agency pointed out—under the jurisdiction of Riverside County […]

The U.S. Court of International Trade has upheld a determination by the U.S. International Trade Commission (ITC) that imports of crystalline silicon photovoltaic (PV) cells and modules from China materially injured domestic solar companies.  The decision dated Aug. 7 (but made public on Aug. 21) rejects claims by Chinese firms Trina Solar, Wuxi Suntech Power, […]

It may not be powering its ships using the sun, but the U.S. Navy will soon be using solar power to keep at least some of the lights on at 14 of its installations in California. The Department of the Navy (DON) recently signed an agreement with Western Area Power Administration and Sempra U.S. Gas […]

This week brought announcements from India and the state of Wisconsin regarding the repurposing of sites previously associated with coal-fired power generation for future solar power generation. In India’s capital of Delhi, the 240-MW coal-fired Indraprastha Power Station, which was closed in 2010, will be the site of a new 5-MW solar photovoltaic installation. As […]

On August 3, 2015, the Environmental Protection Agency (EPA) released a much-anticipated suite of regulations, featuring the final Clean Power Plan’s guidelines for carbon dioxide (CO2) emissions from existing power plants under Clean Air Act section 111(d). This package has sparked great interest, and early reactions run the gamut from enthusiastic support to entrenched opposition. […]

Though most power generators and states might have preferred to not deal at all with a new rule regulating greenhouse gas emissions, the final Clean Power Plan (CPP), released August 3, gives most of the power industry most of what it asked for in terms of revisions to the 2014 proposed plan. In any regulatory […]

According to data compiled and reported by Fraunhofer-Institut für Solare Energiesysteme ISE—a German-based solar energy research institute—from July 1 through August 5, solar and wind energy produced 6.24 TWh and 7.09 TWh of electricity respectively, compared to 5.94 TWh of nuclear power generation in Germany. Although it’s not the first time wind production has exceeded […]

Renewables giant SunEdison will acquire emerging distributed energy firm Vivint Solar’s 523-MW rooftop solar portfolio in a $2.2 billion acquisition deal that signals momentum for the business model that has challenged the bottom lines of traditional utilities. SunEdison and Vivint Solar signed a definitive merger agreement on July 20. It will involve the acquisition of Vivint […]

Interstate Power and Light (IPL) will be forced to spend $620 million to retire 10 coal-fired units and retire, refuel, or install pollution controls at several others in Iowa under a settlement reached with the federal government.  The Alliant Energy subsidiary has long anticipated the settlement announced on July 15 by the Environmental Protection Agency […]

Many of the dangers existing at conventional power plants also threaten personnel in the wind and solar energy sectors. All workers can benefit by reviewing lessons learned and implementing corrective actions to improve health and safety performance. The expanding wind and solar energy sectors are not immune to industrial hazards affecting all energy generation markets. […]

A new report from the Government Accountability Office (GAO) reveals surprising aspects about how federal subsidies for electricity have been distributed, how the power generation mix has shifted, and how consumption has transformed since 2001.  The June 29–released report, “Generation Mix has Shifted, and Growth in Consumption has Slowed, Affecting System Operations and Prices,” responds […]

Concentrating solar power has found a partner in thermal storage, but costs remain high. Solar photovoltaic generation may have a partner in rapidly expanding battery options, but the economics are uncertain. Is there room for both approaches, or will one be crowded out? Battery storage is officially hip. Once a subject of concern largely only […]