Renewable energy solutions like wind and solar operate on nature's timetable. When the sun blazes or when the breeze blows, power is plentiful -- but not necessarily at the moments when consumers need it, like on a hot, calm summer night.

The sun ejects a continuous flow of electrically charged particles and magnetic fields in the form of the solar wind -- and this wind is hotter than it should be. A new study of data obtained by European Space Agency's Cluster spacecraft may help explain the mystery.

Google announced Wednesday it has invested 200 million U.S. dollars in a wind farm in west Texas, which will become a part of the company's 1 billion U.S. dollars' renewable energy portfolio.

Apple Inc, the well-known manufacturer of phones, desktop, laptop, and tablet computers, has reportedly designed a unique enery storage system for wind energy.

To combat this problem, a team of Penn State researchers is developing more cost-effective ways to prolong battery life.

Under new European Union rules to combat pollution, trucks and buses rolling off assembly lines this year will produce significantly less harmful exhaust fumes.

General Electric Global Research has put together a team of researchers who have accomplished a milestone in the reduction of the price of zero emission buses, by using GE’s new Durathon battery together with a hydrogen fuel cell and a lithium battery.

The Abu Dhabi-based International Renewable Energy Agency (IRENA) said Saturday the six GCC countries' returns through renewable energy integration could hit 200 billion U.S. dollars by 2030.

Stefan Larus Stefansson, Iceland’s ambassador to Japan, recently gave a lecture in Tokyo about the very high geothermal potential in Japan.

California just recently passed the milestone of 1 GW of solar power production (in August). And now it has just surpassed another milestone — it nearly reached that peak August generation level during the week of the Winter Solstice, which is the least-sunny time of the year, setting a new winter solar power generation record.

Energy generation from wind is on target to beat natural gas in 2012, thanks to a mad dash by wind producers to finish projects, as the wind tax credit is set to expire on January 1st.

Surviving without electrical power isn’t something we’re very good at any more. Here in the U.S., if you don’t electricity at home, it’s usually because it’s been temporarily knocked out by a storm or your roommate forgot to pay the bill again.

Renewable energy could fully power a large electric grid 99.9 percent of the time by 2030 at costs comparable to today's electricity expenses, according to new research by the University of Delaware and Delaware Technical Community College.

Princeton researchers have found a simple and economical way to nearly triple the efficiency of organic solar cells, the cheap and flexible plastic devices that many scientists believe could be the future of solar power.

An insight into the properties of fullerene is set to open the door to a new class of electronic acceptors which can be used to build better and cheaper organic solar cells.

The Australian Government announced last week that CSIRO would be leading a new solar research initiative worth over $87 million AUD, an initiative which aims to lower the cost of solar thermal power from 25 cents a kilowatt hour down to 10 cents/kWh.

The British Department of Energy and Climate Change (DECC) has released a five-year plan for the solar and biomass industries in an attempt to give investors certainty on subsidy levels for the 2013–2017 period.

I briefly interviewed Donn Pendergrass, the CEO of ATI Casting. ATI Casting is a firm headquartered in La Porte, Indiana that manufactures customer-specified gray and ductile iron castings, some of which are for wind turbines.

“We chose GE because of its proven technology and the extensive experience of its project teams. The 2.5-megawatt technology offers the efficiency, availability and energy performance that will safeguard our success,” said CEZ project manager Ondřej Šafář in the release.

“This increase in module efficiency, coupled with our thin-film technology’s real-world yield advantage when compared to crystalline silicon PV, results in higher energy density and lower levelized cost of energy (LCOE).”

Google announced on Thursday that it is investing 75 million U.S. dollars in a wind farm in the Midwestern U.S. state of Iowa, making its total investment in clean energy projects to nearly 1 billion dollars.

The US Energy Information Administration has just released its “Annual Energy Outlook 2013” report with projections for US energy markets through to 2040. The report shows that growth in the country’s energy production is outpacing the growth of consumption.

Maybe storage isn’t the ultimate key to a renewable energy future.

Starting next January, the price of purchasing renewable energy voluntarily through monthly utility bills will spike to all-time highs, thanks to recent decisions rendered by the Public Service Commission of Wisconsin (PSCW) on two popular “green pricing” programs.

The rap on some green building efforts is that they can tend to be more expensive than using conventional designs and materials. However, a fire department in North Carolina turned this argument on its head recently when it completed its new LEED Gold certified fire station not only on time but $2 million under budget.