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California’s excess of solar power challenges the statewide independent system operator’s ability to balance its system without curtailing low-carbon supplies and ramping up natural gas generation. It’s

Meeting the requirements of the Effluent Limitations Guidelines (ELG) means careful consideration of the various options. Both biological treatment and zero liquid discharge (ZLD) approaches have their place, but ZLD may offer more flexibility for the future. On September 30, 2015, the Environmental Protection Agency (EPA) issued the final effluent limitation guidelines (ELGs) rule for […]

The Environmental Protection Agency (EPA) of the next four years is going to be a very different beast than the EPA under the presidency of Barack Obama, newly confirmed EPA Administrator Scott Pruitt said on February 25 while addressing the Conservative Political Action Conference (CPAC). “We’re going to restore power back to the people. We’re […]

California utility San Diego Gas & Electric (SDG&E) on February 24 officially put into service what is currently the largest lithium-ion storage battery in the world, wrapping up a fast-track procurement process that began less than a year ago. The 30-MW, 120-MWh system (Figure 1) supplied by AES Energy Storage and located in Escondido about […]

Full operation of CGN Power’s Taishan nuclear power plant, an $8.7 billion effort to construct two EPR reactors in Guangdong province, China, has been pushed back six months, the company said in an announcement to the Hong Kong Stock Exchange February 20. Completion of Taishan Unit 1 had been expected in the first half of […]

The Donald Trump administration can look to the energy sector to increase federal revenue and offset the national debt in numerous ways, but there are pros and cons to everything, according to a panel presenting at the Cato Institute February 22. Carbon pricing has long been the preferred economic means of mitigating carbon emissions. A […]

Owners and operators of landfill sites can use the landfill gas to power generators and create energy to be sold to the local grid. However, the regulations relating to the emissions generated by these facilities are being tightened and sites with manual fuel adjustment may struggle to comply in the future. Fortunately, a solution has been developed by Sulzer that not only regulates the emissions, it can also improve fuel efficiency and minimize the payback period.

Southern Co.’s Kemper County integrated gasification combined cycle (IGCC) project, stricken by steep cost increases and an in-service date delayed again to mid-March, isn’t economically viable in the face of projected long-term natural gas prices, the company said. Southern Co. subsidiary Mississippi Power reported that integrated operation of the facility’s two gasifiers and combustion turbines […]

Financially hemorrhaging in 2016 due to uneconomic power plants in its fleet, FirstEnergy Corp. said it may exit the competitive generation business by mid-2018, and shutter its nuclear plants in Ohio, even though it will back legislation to subsidize nuclear power. In a fourth quarter earnings call on February 22, officials from the Akron, Ohio–based […]

The U.S. Department of Energy’s (DOE’s) Office of Fossil Energy has awarded a total of $5.9 million to seven projects focused on novel uses of carbon dioxide (CO2). The projects were selected under the DOE’s carbon storage program. “This portfolio will develop and test novel approaches that convert CO2 captured from coal-fired power plants to […]