Given their unobtrusive nature, photovoltaic materials integrated into rooftop material were once touted as the next big thing in solar power. Instead, they're in the doldrums.
By pairing biology and photovoltaics, a new "electrofuel" system could build alternative fuels.
Using digital technologies, startup Thermata looks to slash the cost of concentrating solar power plants which is needed to stave off the onslaught from cheaper solar photovoltaic panels.
The San Luis Valley is rich in solar resources and needs tax revenue, but like other communities, it's moving cautiously in allowing large-scale solar power.
Amid increased scrutiny of the loan guarantee program because of Solyndra, the Energy Department finalizes four more loans for projects which will lead to a jump in U.S. solar power production.
A Boston apartment complex is undergoing one of the largest deep-energy retrofit projects in the U.S. that is expected to cut energy use by about 70 percent.
Suntech, a China-based solar manufacturing giant, plans to build a 10-megawatt plant in Tibet.
The Magnolia State will get a thin-film solar manufacturing plant as part of a state deal that includes a $75 million loan.
Thin-film solar manufacturer finalizes $400 million in loan guarantee and raises $110 million in equity to ramp up solar manufacturing in U.S.
Smart-grid challenge brings a flood of innovative approaches to making the grid work better and more cleanly. In about a month, the winners will be announced.