Yiannis Karras

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EPIA launches O&M best practice taskforce

With its well-established and growing fleet of PV power plants, Europe has the potential to be positioned at the forefront of O&M provision within …

Powerit: Don’t Buy a Battery Until You’ve Tapped ‘Virtual Storage’

Tesla got a lot of attention last week for its new batteries for solar-equipped homes. But there’s an even bigger business opportunity for batteries …

The Internet of Things in Commercial Buildings: Where Are We and Where Could We Be?

We spend 90 percent of our lives in buildings, and two-thirds of all energy is used by them. Buildings are clearly important to us.<p>That said, …

Data Mining

Demand Response Markets in Europe Begin to Blossom

The opportunities for demand response in Europe are growing -- and REstore is raising money to grow with them.<p>On Thursday, the Antwerp, Belgium-based …

Outsourcing PV O&M and Asset Management: Pros and Cons

In part one of this two-part series, we described the differences between PV operations and maintenance (O&M) and asset management. Some solar PV …

PV Operations and Maintenance Versus Asset Management: What’s the Difference?

Should solar PV plant owners and investors handle asset management in-house or outsource it?<p>The answer depends on many factors, which are analyzed in …

A pilot explains why it’s time to get over your fear of turbulence

Turbulence: spiller of coffee, jostler of luggage, filler of barf bags, rattler of nerves. But is it a crasher of planes? Judging by the reactions of many airline passengers, one would assume so; turbulence is far and away the number one concern of anxious passengers. Intuitively, this makes sense. …

A Simple Equation For Closing The Clean Energy Gap

This is for all of you math whizzes and Sudoku geniuses out there. You know who you are – folks who are good with numbers:<p><i>If the world needs to invest $44 trillion into clean energy by 2030, how much must we invest per year over the next 36 years?</i><p>Okay, you caught me. It is not a complicated …

Who’s Got the Most Smart Grid Patents?

The smart grid industry has seen its fair share of mergers and acquisitions -- more than $30 billion of them over the past two years, to be …

Solar, Sky Cameras and Hard Math: A New Way to Integrate PV on the Grid

Insanely complex math, and never enough data -- that’s the conundrum in trying to model the ebb and flow of solar power and energy storage on the …

Adding Intelligence for Optimized Power Generation

Energy providers face a new frontier. Ahead lies a path to more efficient, less expensive, cleaner, and safer energy production and distribution. …

Java for the Grid Edge: From Blu-Ray Players to Smart Grid Devices

The long-promised goal of embedding open, flexible computing power in all types of smart grid devices is starting to be realized in 2014.<p>Open …

Solar Plus Storage: Could a ‘Utility in a Box’ Cause Massive Grid Defection?

Could solar paired with battery storage make utilities obsolete? That's the question analysts are asking as the economics of the technologies improve.<p>…

Do You Wash Your Solar Modules Often Enough?

Figuring out how often to wash solar panels is more complicated than it might seem. Washing arrays too often can be a waste of money; washing them …

German Demand Response: Almost Ready for Prime Time

When the wind blows and the sun shines in Germany, electricity prices around the country plummet. Natural gas peaker plants are not needed, as the …

EnerNOC Buys EnTech for Utility Bill Management

After scooping up demand response companies in Ireland and Germany in February, EnerNOC has bagged its third company this year to bolster energy …

The 8 Factors Driving Global Industrial Efficiency

Right now, industry accounts for around one-third of the world’s energy use -- more than any other end-use sector of the economy.<p>Additionally, …

48 epic dream hotels to visit before you die

A GOOD HOTEL CAN MAKE or break a trip. The worst hotel in the best place is still going to make retiring after a long day an unfortunate experience. …

California Flexes Its Solar Muscles

At 1:41 PM on Saturday March 8, California hit a new record of solar energy output of nearly 4.1 GW. That narrowly beat out the previous record of …

A private-cloud market assessment in 5 quotes

Advertisement<p>0 Comments<p>Credit: (c) 2012 Pinar Ozger pinar@pinarozger.com<p>Eucalyptus Systems, founded in 2009, was one of the earliest startups in the …

Gorgeous Vintage Posters from the Golden Age of Skiing

As a devotee of winter sports, both as a lifelong practitioner and an Olympic spectator, and lover of vintage graphic design, especially mid-century travel posters, I was delighted to chance upon <b>The Art of Skiing: Vintage Posters from the Golden Age of Winter Sport</b> (<i>public library</i>) — a remarkable …

100 Books Everyone Should Read Before They Die

Many of the books are 20th century classics or recent bestsellers — the oldest book on the list is Jane Austen's 1813 masterpiece "Pride and Prejudice." It also spans multiple genres, with adult fiction, nonfiction, children's, and young adult novels such as "The Hunger Games" and "Harry Potter" …

Honeywell, Stor Generation Stake Claim on UK Demand Response

Europe’s emerging demand response market is heating up -- and where homegrown contenders have held sway, U.S. competitors are now staking their …

Grid-Scale Energy Storage Firms Search for Business Case in New, Shifting Market

Grid-scale and distributed energy storage is moving from its demonstration and pilot program phase to its early commercialization phase -- with …

Commercial Energy Storage Market to Surpass 720MW by 2020

The next six years will mark the beginning of a long-term, viable growth opportunity for commercial energy storage, according to GTM Research’s …

REGEN Raises $7M to Bring Swarm Logic to More Rooftops

Reporter covering the green technology space, with a particular focus on smart grid, demand response, energy storage, renewable energy and technology …

Demand response alliance launched

The Advanced Energy Management Alliance (AEMA), a new trade association, has launched with the mission to promote energy usage management and …

DistribuTECH Highlights the Emerging Smart-Grid-to-Everything Ecosystem

If this year’s DistribuTECH conference could be said to have had one overarching theme, it would be that the integrated, interoperable smart grid …