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In most states, a city wanting to change its energy future has two options: beg its utility or form its own. But one state-level policy opens a third way for cities to have more choice over their energy options: community choice aggregation (CCA).
More than $100 billion was invested in 2007 in new renewable energy capacity, manufacturing plants, and R&D - a true global milestone. Yet perceptions lag behind reality. The REN21 Renewables 2007 Global Status Report captures that reality. Lead author of the report Eric Martinot gives a selected overview.
A report by CEATI demonstrates that hydropower is one of the most flexible and valuable generation assets on the grid. Hydro facilities with large reservoirs have the greatest potential as system balancing resources, the report shows.
Significant hydro development work in Pakistan Financing assistance from the USA and the World Bank should help move forward work on three hydro projects in Pakistan. In August, the U.S. Congress released US$280 million to support the 1,000 MW Mangla and 83 MW Kurram Tangi projects. The American embassy in Pakistan says that relief of the country’s energy crisis is […]
Vattenfall to spend $1.93 billion on modernization Sweden-based European energy conglomerate Vattenfall says it will invest about US$1.93 billion in modernizing and increasing production at its hydroelectric plants. Amongst the biggest of Vattenfall’s projects is refurbishment of the 94 MW Storuman plant, which will see an increase in production of 8 GWh per year after two new turbines are installed. […]
Proper attention to the installation and use of bearings and seals at hydro facilities can save time and money, as well as provide confidence in the long-term operation of the plant.
Small on-site turbines have a long history. Now the arrival of small, domestic-scale wind turbines on the shelves of hardware stores has been welcomed by many but criticized by others as 'vanity' development, rather than a serious commitment to low-carbon generation. Sander Mertens and Eize de Vries explore the issues and focus on urban wind turbines operating in the highly complex flow of the built environment.
To standardize lubrication practices for hundreds of pieces of equipment at its four hydroelectric projects, Grant County Public Utility District established a lubricant maintenance program.
News on the global hydroelectric industry from September-October 2014
Wind turbine buyers are faced with serious equipment delivery periods of two years and longer. As a consequence, many suppliers seem so busy turning out their volume models in big numbers that the development of next generation wind turbines seems to have become second priority. Eize de Vries reports.