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The installed cost of solar photovoltaic (PV) power systems in the U.S. plunged 17% in 2010 compared to the year before, and by an additional 11% within the first six months of 2011, a new report from the Department of Energy’s Lawrence Berkeley National Laboratory shows.

The U.S. Department of Agriculture (USDA) on Thursday said 27 rural electric cooperative utilities would receive $603 million in loans for generation and transmission projects, distribution facilities, and smart grid technologies. The loans are expected to finance rural electric utility improvements in 18 states.

The U.S. House of Representatives could by Friday vote on a measure that could delay the Environmental Protection Agency’s (EPA’s) implementation of the Cross-State Air Pollution Rule (CSAPR) and the recently proposed utility MACT rule by more than a year.

Kansas on Monday filed a lawsuit against the Environmental Protection Agency (EPA), challenging new regulations that the state says will require utilities to invest hundreds of millions of dollars in new emissions control equipment before Jan. 1, 2012— a timeline the state’s utilities say is impossible to meet

Duke-American Transmission Co. (DATC) is moving ahead with plans to fill gaps in the existing grid first set, unveiling seven new transmission line projects in five Midwestern states last week. These projects will improve electric system reliability and market efficiency, and provide economic benefits to local utilities, Duke’s transmission arm said.

World electricity generation is projected to increase 84% from 19.1 trillion kWh in 2008 to 35.2 trillion kWh in 2035—growth that will be driven by increasing demand in developing countries, the Energy Information Agency’s (EIA’s) recently released International Energy Outlook 2011 shows. Much of this growth will be from renewables and natural gas, though coal generation will also increase in developing countries, and particularly, in China and India.

In a Congressional hearing last week, commissioners from the Federal Energy Regulatory Commission (FERC) and Public Utility Commissions of several states differed in their views of just how many coal plants could be shut down and how this may affect grid reliability if the Environmental Protection Agency (EPA) implements several rules it has already finalized or proposed.

Just two weeks after the Environmental Protection Agency (EPA) withdrew its smog rule, the agency on Thursday confirmed it would not meet a Sept. 30, 2011, deadline for issuing proposed New Source Performance Standards (NSPS) to limit greenhouse gas emissions from new, modified, and existing power plants. The agency did not specify a new deadline for proposing the rule.

Just days after an investigation was launched into failed solar manufacturer Solyndra, a Department of Energy (DOE) loan guarantee recipient—the DOE announced a flurry of funding measures for new solar, offshore wind, and geothermal projects. The new projects will help achieve President Obama’s goal of generating 80% of U.S. power from clean energy within the next 25 years, the DOE said.

Along with several funding announcements for renewable energy projects, the Department of Energy (DOE) last week said it would back six projects that could lower the cost of producing power in integrated gasification combined cycle (IGCC) power plants using carbon capture. The $14 million in total funding will seek to improve the economics of IGCC plants and promote the use of the nation’s abundant coal resources, the DOE said.