Low-cost and high performance heliostats
07/12/10 - Juan Pablo Cabanillas, Carlos García
Heliostats are the component with the greatest impact on the cost in solar tower CSP installations, assuming 50% of the total investment. In the last years, there have been serious attempts to reduce cost by relaxing some features. The TITAN TRACKER concept achieves the goal of reducing cost offering higher performance than the rest of heliostats.
Microinverter Advantages
10/14/10 - Enphase
The Enphase Microinverter System is the first and only commercially available microinverter system. It integrates state-of-the-art microinverter technology, power-line communications and web-based monitoring and analytics to define a completely new class of advanced solar energy solutions.
International Wind Energy Development: World Market Update 2010
05/10/11 - BTM Consult – A Part of Navigant Consulting
This year’s World Market Updated includes a full chapter dedicated to Direct-Drive WTG versus Gearbox-Equipped WTG. The increased use of the direct-drive turbines across the wind market is impacting the wind industry. The World Market Update 2010 identifies and compares the pros and cons of both the direct-drive and gearbox-equipped concepts, as well as the implications of using permanent magnets on a large scale.
SB X 1-2 and California’s New Energy Future
05/10/11 - David Nahai - Lewis Brisbois Bisgaard & Smith
This law, called the California Renewable Energy Resources Act, obligates all California electricity providers to obtain at least 33% of their energy from renewable resources by the year 2020. This requirement constitutes the most aggressive renewable portfolio standard in the country.
Thin Film Photovoltaic (PV) Cells Market Analysis to 2020
07/31/10 - Gangadhar Adiboina
This report covers the key market drivers, restrains and growth forecast for major thin film technologies – Amorphous silicon (a-Si), Cadium Telluride (Cdte), and Copper Indium Gallium Diselenide CIGS. The report entails comprehensive analysis of thin-film module production, production capacity, key countries and key industry players. The key study focuses on the global thin film PV industry market outlook along with comparative analysis of different technologies.
Mechanical ventilation and heat recovery System with integral heat pump
05/10/11 - John Perry - Redoak
This article explains: some background to our bungalow design, why we had the original mechanical ventilation and heat recovery system installed; why we chose the latest system and our experience with both systems.
Harnessing the Power of the Ocean: A Program Still in its Infancy
06/22/10 - EBSCO Publishing
Energy can be retrieved from the oceans in five basic ways: Tides, waves, tidal or marine currents, temperature gradients, and salinity gradients. Of these, wave energy is the most significant resource, according to ABS Energy Research, followed by power from salinity and thermal gradients.
Echo Captures More Untapped Solar Energy
05/10/11 - EchoFirst
This is an interesting use of existing technologies combined to build a viable solution. Echo helps create a healthier home environment by replacing stale, indoor air with fresh, filtered, outside air 6-8 times a day. In addition, Echo includes a state of the art, monitoring system (see image below), and one of a kind iPhone ‘remote control’ that lets customers control their home thermostat from anywhere in the world.
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