Mary Derman

44 Flips | 3 Magazines | 2 Followers | @memjervis | Keep up with Mary Derman on Flipboard, a place to see the stories, photos, and updates that matter to you. Flipboard creates a personalized magazine full of everything, from world news to life’s great moments. Download Flipboard for free and search for “Mary Derman”

Clean energy has spread to every corner of the globe, with more than 100,000 megawatts of capacity installed last year<p>Renewables are finally becoming a globally significant source of power, according to a United Nations Environment Programme report released in March by Frankfurt School UNEP Centre …

Renewable Energy

Solar Cells That Work on Cloudy Days Just Hit a Record-Breaking 22.1% Efficiency

Black silicon solar cells are now real contenders.<p>There's been plenty of good news about solar power lately - not only are governments around the …

Battery Degradation Level In Tesla Model S Only 5% After 30,000 Miles?

<b>Published on</b> May 18th, 2015 | <i>by James Ayre</i><p>68<p>May 18th, 2015 by <b>James Ayre</b><p>Originally published on <i>EV Obsession</i>.<p>The Tesla Model S looks to be on track to …

Solar-Plus-Battery Systems Could Significantly Reduce Grid Loads

Grid-connected solar-plus-battery systems could soon supply the majority of customers’ electricity needs, according to a new analysis from the Rocky …

What backing up your home with Tesla’s battery might be like

<i>This story has been updated.</i><p>Late Thursday, Tesla unveiled a suite of new battery products for homes, business, and even utility scale applications. The home product, dubbed the Tesla Powerwall, will store either 10 kilowatt-hours worth of energy (for $ 3,500) or 7 kilowatt-hours (for …

Arizona Utility Gets Approval for High Monthly Demand Charges on Solar Customers

<b>Arizona Republic: Utility Board Approves Large Monthly Solar Fees</b><p>Salt River Project's elected leaders on Thursday voted in favor of a rate increase …

Kyocera and Century Tokyo Leasing to Develop Floating Solar Power Plant

Kyocera and Century Tokyo Leasing Corporation have announced that Kyocera TCL Solar, a joint venture established by the two companies, will develop …

Battery Backup for Rooftop Solar Power Systems Too Costly

Using batteries to retain energy from rooftop solar systems will be too expensive for at least two years, according to industry executives.<p>That means …

World's First 'Solar Battery' Captures and Stores Sun's Energy

Researchers have created a "solar battery" by combining the energy-harvesting panel with the energy-storing medium at a microscopic level. The device could change the way solar power is used, though it still has much to prove. Ohio State's Yiying Wu, professor of chemistry and biochemistry, led the …

Clean Energy

Balancing renewable energy costs

Increasing reliance on renewable energies is the way to achieve greater CO2 emission sustainability and energy independence. As such energies are yet …

Electrically conductive plastics promising for batteries, solar cells

An emerging class of electrically conductive plastics called "radical polymers" may bring low-cost, transparent solar cells, flexible and lightweight …

Assessing and optimizing solar plants across the globe

George Kitoudis counts over 20 years of expertise in energy and environmental engineering as a systems designer, site supervisor and project manager. …

Energy Management As A Strategic Facility Management Tool

Home » Archive » Topics » Energy Management & Lighting » <b>Alternative Energy Trends: Deep Impact With Energy Retrofits</b><p><b>By Richard Kadzis</b><i><br>From the October</i> …

Rooftop solar is just the beginning; utilities must innovate or go extinct

By now, most people are aware that solar power — particularly distributed solar power, in the form of rooftop panels — poses a threat to power …

Costs of solar key to growth: SunEdison CEO

The cost of solar energy has been dropping so precipitously that the industry has a long growth trajectory ahead of it, Ahmad Chatila, CEO and …

University Microgrid Manages Multiple Generation Assets

Combined heat and power (CHP) technologies are sometimes overlooked as important assets that can be deployed in Smart Grids and microgrids in North …

The Quest To Harness Wind Energy At 2,000 Feet

High-altitude wind contains enough energy to power the planet. A Boston start-up wants to be the first to bring it down to Earth.<p>Nothing about the grooved, inflatable body taking shape inside Greentown Labs in Somerville, Massachusetts, resembles a wind turbine. It looks more like a jetliner's …

Show Me the [Efficiency] Money

Five real estate executives weigh in on what it will take to unlock $1.4 trillion in net energy savings through commercial building efficiency.<p>RMI’s</i> …

What Happens to Solar Power Plants After They’re Installed?

By 2017, there will be more than 150 gigawatts ofsolarplants that need to be maintained globally. In order for solar to keep growing as an asset …

How utilities can mitigate grid impacts of high solar penetrations

Nothing is likely to hold back the rise of solar, so utilities and grid operators across the country are looking for ways to protect the grid from …

Cheap African solar energy could power UK homes in 2018

<b>Investors are seeking funding from the UK government for an ambitious plan to import solar energy generated in North Africa.</b><p>Under the scheme, up to 2.5 million UK homes could be powered by Tunisian sunshine by 2018.<p>The company involved says they have already spent 10 million euros developing the …

The Future of Solar Economics and Policy

<b>Published on</b> October 20th, 2014 | <i>by John Farrell</i><p>17<p>October 20th, 2014 by <b>John Farrell</b><p>Solar power is at a unique place in history. It’s growing rapidly, …

Future mega cities will need solar roof energy

Seven billion people will live and work in urban areas by 2050 and the demand for energy for all these people will be huge. Local production of …

Solar power could become lead energy source with the right planning

Policymakers and investors alike need a clear road map to capitalize on the true potential of solar energy, the Paris-based International Energy …

Blades of grass inspire advance in organic solar cells

Using a bio-mimicking analog of one of nature's most efficient light-harvesting structures, blades of grass, an international research team led by …

How to make a 'perfect' solar absorber

The key to creating a material that would be ideal for converting solar energy to heat is tuning the material's spectrum of absorption just right: It …

First large-scale carbon capture goes online in Canada

The world's first large-scale carbon capture and storage -- built into a SaskPower coal-fired power plant in the Canadian prairies -- will be …

Ohio State researchers build rechargeable solar battery, a first

Scientists at Ohio State University have fused a rechargeable battery with a solar cell, creating the world's first-ever solar battery -- a feat …

Solar Ware Samurai PV Central Inverter achieves maximum efficiency of 99.01 percent

The Solar Ware Samurai, a revolutionary new central inverter from TMEIC, achieved a maximum efficiency of 99.01 percent in California Energy …

Cree Power Modules Revolutionize Inverter Platform for Power Generation Systems

Cree has expanded the award-winning silicon carbide (SiC) 1.2 kV six-pack power module family with a new 20A all-SiC module ideally suited for 5-15 …