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Energy Storage Crucial Step for Renewable Electricity

Energy Storage Crucial Step for Renewable Electricity

U.S. policymakers must focus more closely on developing new energy storage technologies as they consider a national renewable electricity standard, according to one of the principal recommendations in a newly released report, Integrating Renewable Electricity on the Grid, by the American Physical Society’s Panel on Public Affairs (POPA).
Former Massachusetts coal plant to be transformed into clean energy center

Former Massachusetts coal plant to be transformed into clean energy center

This week, diversified real estate acquisition and development firm Commercial Development Company and transmission developer Anbaric said they plan to build a renewable energy center at Brayton Point Commerce Center in Somerset, Massachusetts. The site is the former home of the Brayton Point Coal Plant, the cooling towers for which were demolished two weeks ago. (video of demolition at the end of article at this link).
Determining Monthly Discharge on the Tapajos River Using a Rainfall-Runoff Model

Determining Monthly Discharge on the Tapajos River Using a Rainfall-Runoff Model

By Eurico de Carvalho-Filho, Iara P.G. Machado, Humberto Jacobsen Teixeira, Gabriel S.C. Rocha and Maria Tereza F.R. Campos To develop a historical flow profile for hydro projects in Brazil's Tapajos River Basin, a mathematical model was used. Data from this model filled gaps in measurements available from rainflow gauging stations, and data generated correlated well with available rainflow measurements.
Next Generation Approaches to Wind Turbine Wake Modeling

Next Generation Approaches to Wind Turbine Wake Modeling

At one time or another, just about everyone in the wind industry has seen the now famous image of the Horn’s Rev offshore wind farm in Europe’s North Sea. The effect one turbine has on the next, and the next, and on down the line can be quite dramatic – so noted at some projects that turbines furthest downstream from the wind, produce little to no energy and simply struggle to operate in intense turbulences, prematurely wearing down turbine hardware. Wake blocking effects have a huge impact on many wind project considerations: net energy estimates for financing, turbine spacing for project engineering, and operational strategies once the project is running.
Engineering and Design: The Value of CFD Modeling in Designing a Hydro Plant

Engineering and Design: The Value of CFD Modeling in Designing a Hydro Plant

The use of computational fluid dynamics (CFD) modeling to design a proposed hydroelectric facility allowed Manitoba Hydro to verify and adjust its physical model.
Modeling: Physical Models: Why Hydro Developers Use Them in the Computer Age

Modeling: Physical Models: Why Hydro Developers Use Them in the Computer Age

Although computational fluid dynamics (CFD) modeling is used extensively in the hydropower industry, some physical phenomena cannot be accurately predicted through CFD.
Improving Turbine Efficiency Calculations through  Advanced Velocity Measurements

Improving Turbine Efficiency Calculations through Advanced Velocity Measurements

New technologies for collecting and processing velocity data make it possible to obtain a detailed estimate of the velocity head correction factor.
Demand Response Management in Terms of a Blowfish, Batteries and Paint

Demand Response Management in Terms of a Blowfish, Batteries and Paint

I like a good visual aid that conveys meaning and distills complex data into an elegant illustration. In the continuous spectrum of utility demand response management (DRM), so far no one has modeled the problem in terms of a blowfish, some batteries, and a little paint. What if such a model could help us understand how a utility could, in effect, sell capacity to itself, and help leverage renewables more efficiently? Indeed, this would be a rosy picture.