Geothermal energy in the United States has the potential to have an installed capacity of 100,000 megawatts (MW) within the next 50 years, according to a report published by an interdisciplinary panel […]
PV System Values: Solar Energy Needs Electrical Storage Now
Dramatic cost reduction in photovoltaics (PV), combined with lower electrical storage costs from batteries for the automotive industry, are creating new business opportunities for grid-tied PV systems that include energy storage. This […]
Making the Case for Smart Grid to Shave Peak Power : Greentech Media
Smart grid technology could shave 15 percent to 20 percent off a utility or region’s peak power demand, according to estimates from the World Energy Council, IBM and others. That adds up […]
GE’s New Natural-Gas Turbines Could Help Renewables
With the abundance of cheap natural gas propelling a shift away from coal for generating electricity, new gas turbine technology that GE announced yesterday could make it even more difficult for coal […]
Capturing Distributed Benefits
Factoring customer-owned generation into forecasting, planning, and operations. As with most utilities, Con Edison has long planned its distribution system based on a unidirectional flow of electricity to customers. This design assumption […]
27 gigawatts of coal-fired capacity to retire over next five years
Plant owners and operators report to EIA that they expect to retire almost 27 gigawatts (GW) of capacity from 175 coal-fired generators between 2012 and 2016. In 2011, there were 1,387 coal-fired […]
Clean Energy Access For All: Grameen Installs Over 500 Solar Homes Systems A Day In Rural Bangladesh
In one of the poorest countries on the planet a renewable energy service company is installing [nearly] one thousand solar home systems — a day. Not in its capital or busy urban […]
With the Utility Regulators, Day 2: Portfolio Theory Makes Wind and Solar More Valuable
Any discussion about U.S. energy today inevitably turns to the new, abundant and cheap natural gas supplies being fracked from shale basins — and how solar and wind can compete with it. […]
Stat of the Day: California’s Big Utilities at 20.6 Percent Renewables in 2011
The newest numbers show that California’s three investor-owned utilities (IOUs) were at 20.6 percent renewables at the end of 2011. With approximately 17 percent at the end of 2010, they fell somewhat […]
How demand response cuts wholesale power costs
In the late 1990′s, U.S. energy regulators began to recognize how the demand side affects wholesale power markets by effectively creating new power resources at far lower costs than building either traditional […]
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