Thin-film silicon uses about one-hundredth the amount of silicon used by crystalline silicon PV but now that the silicon shortage is over what will keep TF Si'c current 43% market share from dropping?
Japanese solar-module manufacturers shipped a record-high 1.4 gigawatts (GW) in 2009 , galvanized by the election of a new solar-friendly government, and a dramatic up-tick in the domestic rooftop market. Domestic shipments more than doubled to 484 megawatts (MW), even as exports slid a modest 2.4% to 903MW on the back of the weakened European market, according to figures published by the Japanese Photovoltaic Energy Association. The spike in domestic demand has outpaced Japanese firms' ability to keep up, leading to a surge in imports from neighboring countries such as Taiwan.
The revolutionary Power-Generating Floor , works by converting physical pressure into electricity and has a wide range of potential applications. Part of the appeal of this device is that it emits no greenhouse gases or other pollutants. It consists of tiles that convert vibrations caused by people or automobiles passing overhead into electricity. Within each roughly 50-centimeter-square tile is a crystalline substance called a piezoelectric element. When outside pressure is placed on these elements, electrical polarization occurs and generates an electric potential in proportion to the amount of force applied. While output varies depending on the number of tiles, two steps by a person weighing 60 kilograms normally generates 0.1 Watts of power.
Interview with Jack Jacobs, Managing Partner of Cleantech Law Partners.
Helioculture: The idea is to create hydrocarbons with a little help from the sun. Sewage: Using microbial fuel cells, sewage can be used in bio-electrochemical systems to create power. Evaporation: Apparently, scientists are working on ways to harness the difference in electrical properties that exist between air and water. Human movement: Could the expanding planetary population actually power itself through movement? Moon: One Russian company, RKK Energiya, thinks that moon mining for Helium-3 could be a possibility by 2020. Source
The most pressing questions surrounding energy policy now are: 1) How do we reach these goals? And 2) Are they even attainable? Advocates from both sides of the aisle and in many industries, such as wind, solar, biomass, nuclear, and even domestically sourced natural gas and clean coal, have all thrown their hats in the ring professing that their technological approach is the way to go if there is any hope of truly changing the energy landscape.
Images of the 3 bladed wind engines are now seen everywhere and they have come to symbolize intelligent energy creation for virtually everyone but are these designs actually the most efficient ones possible? No one seems to know their efficiency so that vital issue is completely overlooked and rarely discussed. Efficiency is important to all.
Greenhouse gas & energy are major problems for the future of America and Geothermal heat pumps are a great form of alternative energy has been around for over 30 years. Below are some facts about geothermal that you need to know.
Knowing what's happening inside a fuel cell is a critical function, especially as fuel cells are continuing to be developed. One important aspect of this is to measure the voltage of each cell in a stack. Although this may sound trivial, it can be more complex and more expensive than it may at first appear due to high voltages, high channel counts, communication types, etc. There are a few products commercially available that are designed specifically for fuel cell voltage monitoring.
What can you do as an investor to protect your wind farm investment? What can you do as a wind farm owner to secure your wind power production? How can the trust of insurance companies for wind farm projects be improved? The solution is to find an independent inspection, testing and verification company that combines technical consultancy with project certification.
Marc Doyle is global business director, DuPont Photovoltaic Solutions (DPVS). He is responsible for creating business strategy for DuPont within the Photovoltaics (PV) market space, coordinating activities across DuPont in the PV industry to create a singular market-facing business, and aggressively growing DuPont's business within the PV space by identifying and championing new business opportunities in white space areas.
REPOWERING, in general, can be defined as the set of changes aimed at increasing the power and therefore also increase the energy yield. The convenience of the repowering is in the benefits of technological modernization, which provides solutions for higher power and performance as the technology matures.
GlobalData's report "Asia-Pacific Renewable Energy Policy Handbook" presents an in-depth analysis of the renewable energy policies across the major renewable energy markets in Asia-Pacific. It details the key policy instruments adopted by the major Asia Pacific countries in order to promote the deployment of renewables. The report provides the current and future renewable energy targets and plans along with the present policy framework, giving a fair idea of overall growth potential of their renewable energy industry. The report also provides technology specific support policies and measures used in different countries.
A succinct-analysis of the increasingly widely discussed alternative and renewable energy universe serves to bring the Phoenix "Hydrogen Economy" initiative (with its REPLACEMENT energy status) into its special perspective.
Using Lean to produce renewable energy products will keep costs low, make the investment of capital more efficient, provide product in the shortest possible lead time, and ensure the continued growth of the industry. Using Lean will drive cost out of the products/processes allowing more conversion to renewable energy for every dollar spent. Some renewable energy manufacturing companies are using some Lean tools, but much more can be done to reduce the waste in manufacturing these products.
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The SolarEdge PV inverter combines sophisticated digital control technology with efficient power conversion architecture to achieve superior solar power harvesting and best-in-class reliability. The fixed-voltage technology ensures the solar inverter is always working at its optimal input voltage over a wider range of string lengths and regardless of environmental conditions. A proprietary data monitoring receiver has been integrated into the inverter and aggregates the power optimizer performance data from each PV module. This data can be transmitted to the web and accessed via the SolarEdge Monitoring Portal for performance analysis, fault detection and troubleshooting of PV systems.