US Energy Storage Market Could Triple This Year
The energy storage market is poised for substantial growth over the next five years, with installed capacity this year expected to more than triple to 220 MW from last year’s 62 MW.
A recent report from GTM Research and the Energy Storage Association, ‘U.S. Energy Storage Monitor,’ projected that the market will grow from $128 million last year to $1.5 billion by 2019, when more than 800 MW will be installed.
Moreover, non-utility storage – residential and non-residential – will grow from just 10% of installed capacity last year to 45% over the same period.
This is a bullish forecast for downstream residential vendors identified in the report, such as Schneider Electric, Outback Power, Sunverge, and Solar City.
Solar eclipse illuminates importance of energy storage
Friday's solar eclipse highlights the importance of energy storage to the continued growth of solar, experts have claimed.
Energy consultancy Frost & Sullivan estimate that by covering 85% of the sun; the eclipse removed 35GW of solar power from the European grid - equivalent to 80 conventional power plants.
This sort of instability will drive generators to invest in better storage facilities to ensure a constant security of supply, according to the consultants.
"Dealing with events like this one requires investment in various storage tools and monitoring techniques which create a certain amount of flexibility in the energy system," said the report.
The nascent technology of pump storage - pumping water uphill into large reservoirs when power is abundant and then letting it flow down again to generate power when needed - will reportedly be valuable in preparing for the eclipse in Germany.
Texas City Pulls Plug on Fossil Fuels With Shift to Solar Power
Christopher Martin for Bloomberg: A Texas city just north of Austin plans to begin weaning its residents from fossil fuels.
The municipal utility in Georgetown, with about 50,000 residents, will get all of its power from renewable resources when SunEdison Inc. completes 150 megawatts of solar farms in West Texas next year. The change was announced Wednesday.
It will be the first city to completely embrace clean power in the state, which is the biggest U.S. producer and user of natural gas. More will follow as municipalities seek to insulate themselves from unpredictable prices for fossil fuels, said Paul Gaynor, SunEdison’s executive vice president of North America. Burlington, Vermont, made a similar move with its purchase of a hydroelectric plant last year.
“This will be the first of many,” Gaynor said in a telephone interview. “The city is making a judgment that they want to enjoy a stable electricity price.”
Harvesting solar power in space one step closer
From Tereza Pultarova for E&T Magazine: Japanese engineering giant Mitsubishi has successfully demonstrated wireless power transmission over a larger distance paving the way for harvesting energy in outer space.
During the test at Mitsubishi Heavy Industries’ Kobe Shipyard & Machinery Works facility near Osaka, the engineers managed to beam 10kW of power through a microwave transmitter across a 500m distance.
As the beam of microwaves hit the receiver and got converted back into energy, its LED lights turned on using the received power.
Mitsubishi said the test ‘marks a new milestone’ in terms of both, the distance and power load, and verifies the firm’s space solar power systems (SSPS) concept.
Mitsubishi envisions SSPS will take solar energy generation to an entirely new level. Solar panels would be placed at geostationary satellites, which hang above a fixed spot above the Earth’s surface at the distance of 36,000km, and unhindered by Earth’s atmosphere would generate energy much more efficiently.
The wireless transmission system, freeing energy generation from the reliance on cables and wires, would then beam the energy to Earth using a microwave or laser technology.
Mitsubishi believes space-based solar power will revolutionise renewable energy generation and will in future become the world’s number one source of clean renewable power.
Developers Want Housing Estates "Off Grid"
A South Australian solar energy company is in talks with 'major developers' to build energy self-reliant housing estates which don't need to be connected to the main electricity grid.
DuPont and Yingli Solar Collaborate on Clean Energy
Rooftop Solar System at DuPont R&D Center Serves as Model for Distributed Solar Power Systems in China
FastRack510 Installed at Hawaii's Largest Airports
The minimal seismic anchors were installed at a rate of up to five per man hour. Combined, the arrays were spread over more than ten individual flat roofs.
Osaka - The City of Green Technologies
The Environmental Governance approach of Osaka is exemplary for the developing Asian cities who are trying to balance development and sustainability.
Upcoming solar eclipse to wreak havoc on Germany's solar power output
By Andrew Freedman for Mashable: The partial solar eclipse slated to take place throughout Europe on March 20 may delight skywatchers, but it's presenting a significant headache for the operators of Germany's electricity grid. The country is a world leader in solar energy, boasting a huge edge over the U.S. in installed solar power generation.
When the eclipse occurs between about 9:30 a.m. and 12 p.m., local time, on the 20th, electric utilities in Germany will have to contend with rapid swings in energy production. First, there will be a steep drop-off in generation, followed by a sudden spike.
These fluctuations, and how utilities choose to cope with them, provide a preview of what utilities in the U.S. and other nations face, as renewable energy production soars in coming decades, according to an analysis from Opower, a software company that uses data to help utilities improve the customer experience.
Germany gets about 7% of its electricity each year from solar panels, compared to 0.5% in the U.S., according to Barry Fischer, a writer and analyst at Opower. On the sunniest days, Germany can meet half of its electricity demand through solar power alone, he told Mashable in an interview.
RESEARCHERS DEVELOP NEW APPROACH THAT COMBINES BIOMASS CONVERSION, SOLAR ENERGY CONVERSION
In a study published March 9 in Nature Chemistry, University of Wisconsin-Madison chemistry Professor Kyoung-Shin Choi presents a new approach to combine solar energy conversion and biomass conversion, two important research areas for renewable energy.
For decades, scientists have been working to harness the energy from sunlight to drive chemical reactions to form fuels such as hydrogen, which provide a way to store solar energy for future use. Toward this end, many researchers have been working to develop functional, efficient and economical methods to split water into hydrogen, a clean fuel, and oxygen using photoelectrochemical solar cells (PECs). Although splitting water using an electrochemical cell requires an electrical energy input, a PEC can harness solar energy to drive the water-splitting reaction. A PEC requires a significantly reduced electrical energy input or no electrical energy at all.
In a typical hydrogen-producing PEC, water reduction at the cathode (producing hydrogen) is accompanied by water oxidation at the anode (producing oxygen). Although the purpose of the cell is not the production of oxygen, the anode reaction is necessary to complete the circuit.
Unfortunately, the rate of the water oxidation reaction is very slow, which limits the rate of the overall reaction and the efficiency of the solar-to-hydrogen conversion. Therefore, researchers are currently working to develop more efficient catalysts to facilitate the anode reaction.
Choi, along with postdoctoral researcher Hyun Gil Cha, chose to take a completely new approach to solve this problem. They developed a novel PEC setup with a new anode reaction. This anode reaction requires less energy and is faster than water oxidation while producing an industrially important chemical product. The anode reaction they employed in their study is the oxidation of 5-hydroxymethylfurfural (HMF) to 2,5-furandicarboxylic acid (FDCA). HMF is a key intermediate in biomass conversion that can be derived from cellulose - a type of cheap and abundant plant matter. FDCA is an important molecule for the production of polymers.
Solar-Power Plane Airborne on Historic Round-the-World Trip
With its wings stretched wide to catch the sun's energy, a Swiss-made solar-powered aircraft took off from Abu Dhabi just after daybreak Monday in a historic first attempt to fly around the world without a drop of fossil fuel.
Solar Impulse founder André Borschberg was at the controls of the single-seat aircraft when it lumbered into the air at the Al Bateen Executive Airport. Borschberg will trade off piloting with Solar Impulse co-founder Bertrand Piccard during layovers on a 35,000-kilometer (21,700-mile) journey.
Some legs of the trip, such as over the Pacific and Atlantic oceans, will mean five days and five nights of flying solo. Both pilots have been training hard for this journey, which will span 25 flight days over five months before this Spruce Goose of renewable energy returns to Abu Dhabi in late July or August.
"It is also exciting because you know, you simulate, you calculate, you imagine, but there is nothing like testing and doing it in real," Borschberg said just hours before takeoff. "I am sure we are all confident and hopefully we will be able to see each other here in five months."
The Solar Impulse 2 aircraft, a larger version of a single-seat prototype that first flew five years ago, has a wingspan of 72 meters (236 feet), larger than that of the Boeing 747. Built into the wings are 17,248 ultra-efficient solar cells that transfer solar energy to four electrical motors that power the plane's propellers. The solar cells also recharge four lithium polymer batteries.
Nexus eWater Completes $2.1 Million Series A Funding Round
Nexus eWater has developed the world's first practical water and energy recycler for homes. The estimated annual US market for this new product suite is projected at $15 billion per year. The patented product collects a home’s grey water (the drain water from showers and laundry), then cleans it to the highest standard for at-home recycling for lawn watering and other approved uses. Additionally, the system captures and re-uses the heat found in the grey water for further recycling. The system is available for both new homes and for retrofits.
The international investor team includes Canberra-based venture fund ANU Connect Ventures (ANUCV), the Sydney Angels and the Sydney SideCar Fund. The round was led by Thomas Reeves Hitchner, the retired general partner of Baltimore-based venture fund, QuestMark Partners. Proceeds from this funding cycle will complete the initial product roll-out of Nexus’ on-site water and energy recycling products for the California and US market.
The Nexus system is affordable, robust and efficient. It is a sustainability “triple play.” For a house with a family of four, the system provides these three benefits:
Reduces in-home water usage by 40%, (up to 200 gallons per day) by recycling 67% of the water used in a house;
Reduces wastewater by 70%, (up to 200 gallons per day); and
Reduces home electric energy usage by 10-20%.
The energy recycler provides the equivalent power of a 1.5 kW solar array, but at a fraction of the cost. In large, older homes, this amount could be tripled. Energy recycling is accomplished by using a patented heat pump system, which harvests the energy from the warm grey water and then uses that energy to heat fresh, new water for the home. By recycling this energy, the home’s water can be heated using 75% less energy than any conventional tank or tankless water heater.
Japan's Growth in Solar Power Falters as Utilities Balk
By JONATHAN SOBLE for NY Times: Rice fields, golf courses and even a disused airport runway. All over the southern Japanese region of Kyushu, unexpected places gleam with electricity-producing solar panels.
Solar use in Japan has exploded over the last two years as part of an ambitious national effort to promote renewable energy. But the technology’s future role is now in doubt.
Utilities say their infrastructure cannot handle the swelling army of solar entrepreneurs intent on selling their power. And their willingness to invest more money depends heavily on whether the government remains committed to clean energy.
“It’s upsetting,” said Junji Akagi, a real estate developer on Ukushima, a tiny island near Nagasaki. Mr. Akagi said he hoped to turn a quarter of the island’s 10-square-mile area into a “mega-solar” generating station, and has already lined up investors and secured the necessary land.
Then last September, Kyushu Electric Power Company, the region’s dominant utility, abruptly announced that it would stop contracting to buy electricity from new solar installations. Other power companies elsewhere in Japan soon followed suit.
Floating Solar Panel Project Due in 2016 from California Power Company
From GovTech.com: Sonoma County, Calif.'s new public electricity supplier is turning to the sun and water — the airspace over treated sewage ponds, specifically — to generate power for local homes and businesses.
Under a deal signed Thursday with a San Francisco-based renewable energy developer, officials with Sonoma Clean Power, now the default electricity provider in Sonoma County, unveiled a plan to install a 12.5-megawatt solar farm on floating docks atop holding ponds operated by the county Water Agency.
When completed in 2016, the project, which will provide enough electricity to power 3,000 homes, will be the largest solar installation in the county.
It also will help fulfill one of Sonoma Clean Power’s central goals — to develop local sources of renewable energy for its expanding customer base, now taking in more than 160,000 residential and commercial accounts across five cities in the county.
Spray-on Solar Cells - How do they Work?
Spray-on solar cells use nanotechnology. These cells are made using quantum dots, which is a nanocrystal composed of a semiconductor material that is small enough to take advantage of the laws of quantum mechanics.
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