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What’s Driving, and Constraining, PV Demand in Greece

What’s Driving, and Constraining, PV Demand in Greece

Forecasting PV market demand in European countries has at times been particularly challenging. Complications include demand being largely policy-driven, the lack of market caps, and downstream channels being adept in shifting high inventories rapidly to the end-market when motivated to do so. During the past two years however, means of forecasting end-market PV demand have improved considerably. The methodology can in fact be seen as an evolving process, and PV market demand in Greece can be used to explain these points.
Battery Storage Could Revolutionize Home Health Care: Lessons Learned from Puerto Rico

Battery Storage Could Revolutionize Home Health Care: Lessons Learned from Puerto Rico

Clean energy follows the rules of most new technologies. They disrupt existing, status quo technologies when they can out-compete on cost and performance: Is the new technology cheaper and does it work as well (for example, battery storage and renewables are beginning to upend fossil fuel power plant markets)? Or they can create a market that did not exist before (think of smartphones, a market that did not exist years ago; it took Steve Jobs to create it).  
Why medically-vulnerable households require resilient power: New risks for a growing trend

Why medically-vulnerable households require resilient power: New risks for a growing trend

Resilient power is on the rise, and not just for big industry and market rate customers. Affordable housing developers have started to include solar PV and battery storage (solar+storage) in designs for new affordable housing complexes; and solar+storage for critical public facilities, like wastewater treatment plants and fire stations, are increasingly recognized by state and local governments as necessary investments. Despite this progress, one vulnerable population has remained basically untouched by the resilient power movement; individuals dependent on in-home medical equipment.   
Can We Meet Our Energy Needs with Solar?

Can We Meet Our Energy Needs with Solar?

Theoretically, we could get all of our energy from the sun. But is it realistically feasible? And if so, what are the technical, economic and political barriers to reaching that lofty goal? In this podcast, we'll look at the challenges and implications of such a heavy reliance on solar.
Energy Efficiency and Renewables Are Lowest Risk/Cost Investments for Utilities

Energy Efficiency and Renewables Are Lowest Risk/Cost Investments for Utilities

A new report by utility and finance experts contains positive news for the environment, our air and our (and our utilities’) pocketbooks — the economics of electric power resources have made zero-emissions energy efficiency and renewable energy technologies the most financially attractive options to meet the nation’s future energy demands.
5 Solar Asset Management Predictions for 2015

5 Solar Asset Management Predictions for 2015

2014 was the year when many owner/operators started to realize the importance of solar asset management. 2015 marks the year where for the first time there is an industry conference dedicated to the topic. The solar installed base is growing, the market is getting more mature and consolidation is starting. These are our five predictions for 2015.
Choosing Turbines for Low-Head Pumped-Storage Plants

Choosing Turbines for Low-Head Pumped-Storage Plants

By Ales Skotak and Petr Stegner A comparison of Francis and Deriaz pump-turbine units for low-head applications indicates both can fulfill the wide operational range and power regulation requirements, but they differ in terms of implementation of the mechanical and electrical aspects.
Risk and Finance in the PV Industry

Risk and Finance in the PV Industry

Emerging from the 2008 financial crisis with new incentives, innovative business models, and rapidly declining costs, photovoltaics (PV) have gone on to achieve installation at rates unprecedented in their 40 year-long U.S. commercial history. And, despite some headwinds, PV deployment will likely see sustained levels of investment and deployment in the near term.
Making Sense of Demand Charges: What Are They and How Do They Work?

Making Sense of Demand Charges: What Are They and How Do They Work?

Two commercial buildings, a factory and an aerospace research facility, both consumed 40,000 kWh of energy in January 2017. However, their energy consumption patterns were very different. The factory maintained a uniform energy consumption of 1,333 kWh per day, and for no given period did their power draw exceed 56 kW.
Bifacial solar advances with the times—and the sun

Bifacial solar advances with the times—and the sun

Multi-year study evaluates two-sided tracking systems for more efficient solar power generation Traditional solar modules convert light to electricity using photovoltaic (PV) cells on the top side of the panels. Now, National Renewable Energy Laboratory (NREL) researchers are shining a light on what lies beneath. In May 2019, a team at NREL kicked off a three-year study to evaluate bifacial modules that […]