After congressional approval of the 45Q tax credit for Carbon Capture and Sequestration (CCS) in February, it signaled a revival of support for the technology.

Later that month, a group supporting the use of CCS expanded and broadened its focus, renaming itself the Carbon Capture Coalition. It pledged to push for further legislation.

In April, energy heavyweights came together to form a coalition called the Energy Advance Center “to promote the energy industry’s interests in issues related to carbon capture and storage.” 

Then, last week, bipartisan legislation referred to as the USE It Act, which supports research for the technology, passed

HDF Energy wants to use hydrogen storage to firm up solar production in French Guiana.

A proposed solar-powered hydrogen storage facility has work to do to back up its big claims.

Hydrogène de France (HDF) Energy's French Western Guiana Power Plant would couple a 55-megawatt solar farm with hydrogen storage to deliver steady, clean power at any time of day. This process is supported by secondary storage in batteries.

The €90 million ($105 million) plant would generate a fixed electrical output of 10 megawatts in the daytime and 3 megawatts during the night, adding up to 140 megawatt-hours per day.

Despite the modest size of that instantaneous output, HDF grandly claimed in its press release that the plant

Subtitle: 
U.S. Housing Secretary tours a home with a failing foundation and expresses support for federal financial assistance
Images: 

Thousands of Connecticut residents whose homes are threatened by failing concrete foundations got some encouragement this week with the visit of U.S. Housing and Urban Development Secretary Ben Carson, who expressed hope that federal assistance might be possible.

As many as 34,000 homes in eastern and north central Connecticut could be at risk because aggregate used in the concrete contained a pyrrhotite, a mineral that in time causes the concrete to crack and degrade. Homeowners face bills of as much as $200,000 to repair the damage, and until now help has been slow in coming.

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The utility proposed to retire a third of its remaining coal fleet.

Xcel Energy Colorado submitted an electric resource plan to state regulators Wednesday, calling for a major new build out of renewable energy resources and the retirement of two coal units, roughly a decade early.

Comanche Units 1 and 2 are capable of producing a combined 660 megawatts of coal-fired generation, which represents approximately one-third of Xcel Colorado’s remaining coal fleet. Under the utility’s proposal, the retirements would coincide with adding more than 1,800 megawatts of solar and wind, paired with 275 megawatts of battery storage, and 383 megawatts of existing gas assets.

In a business-as-usual scenario, Xcel Colorado would keep the Comanche units in operation and

The Navajo Generating Station provides the majority of the Central Arizona Project's power.

The Central Arizona Project, a legislated municipal water agency that provides water to 5 million Arizonans, voted on Thursday to receive some power from a new 30-megawatt solar installation. Its main source of power, the coal-fired Navajo Generating Station, is set to close in 2019.

The 20-year power purchase agreement with developer AZ Solar 1 would provide power at $24.99 per megawatt-hour for its duration, starting December 31, 2020. That price brings the project within striking range of the most competitive in the country, but also offers plenty of time for system costs to drop to those levels. 

GTM Research senior solar analyst Colin Smith said

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