Renewable Energy Publicly Traded Companies in the United States by Business Name

Ener1, Inc. - First Solar, Inc. - Plug Power - Capstone Turbine Corp. - PowerShares Capital Management LLC - GE Energy - Ormat Technologies, Inc. - GT Solar International, Inc. - Thomas & Betts Corporation - Active Power, Inc. - A123 Systems, Inc. - FuelCell Energy, Inc. - Real Goods Solar - DayStar Technologies, Inc. - Enphase Energy - American Honda Power Equipment Division - Proton Energy Systems, Inc. - Valence Technology, Inc. - Zap Jonway Usa - American Honda Motor Co., Inc. - Suzlon Energy Limited - The Toro Company - Array Lighting | A Nexxus Lighting Company - LDK Solar USA, Inc. - Spire Corporation - Guinness Atkinson Funds - Exide Technologies - Electric Fuel Corporation - Energy Conversion Devices, Inc. (ECD Ovonics) - Florida Power and Light Company (FPL) - New Alternatives Fund - UQM Technologies, Inc. -

Ener1, Inc.

Ener1's goal is to power cars that need no gasoline, have greater range than the fuel capacity of an internal combustion engine, and can be charged in fewer than 10 minutes per day. As consumer and political awareness of the issues driving the quest for affordable clean energy increases, we are confident that the momentum necessary to overcome the obstacles to full attainment of this goal has arrived.

First Solar, Inc.

By enabling clean, renewable electricity at lower costs, First Solar is providing a sustainable alternative to conventional energy sources. This goal has driven First Solar to become one of the fastest growing manufacturers of solar modules in the world. First Solar FS Series 2 PV Modules represent the latest advancements in solar module technology, and are rapidly driving the cost of solar electricity to rates comparable with traditional fossil fuel-based energy sources.

Plug Power

Plug Power's fuel cells are energy machines for homes. Our refrigerator-sized fuel cell system runs on natural gas or propane and provides enough electricity for your entire home. Our fuel cells will save consumers money and help clean up the environment while providing outage-free electricity.

Capstone Turbine Corp.

FT Energy award-winner Capstone has shipped 2,000 30- and 60-kW commercial microturbine power systems for applications ranging from hybrid electric vehicles to converting landfill gas and other waste gases into electricity. The systems are CSA, CE and UL-Listed (2200 and 1741), have just one moving part, use no oil, no lubricants, no coolants and are designed to operate at continuous full load or load-follwing (down to 0 kW idle) 24/7/365, on or off grid. NOx emissions are significantly below any US and foreign standards. These lightweight, compact microturbines can be multipacked into n+x arrays of up to 100 units with no paralleling switchgear, all with single-point-access dispatching/diagnostics. Conforms to IEEE and ANSI specs; UL 1741/CA Rule 21 compliant grid interconnect functionality (including protective relays) is built in. 8,000-hour annual maintenance comprises air and fuel filter inspection/replacement; temp sensor and ignitor every two years. En!! gine overhaul suggested at 40,000 hours. Fuels: natural gas, propane, high and low Btu waste gases (as low as 350 Btu) with up to 7% hydrogen sulfide content, diesel and kerosene.

PowerShares Capital Management LLC

The PowerShares WilderHill Clean Energy Portfolio (Fund) seeks to replicate, before fees and expenses, the WilderHill Clean Energy Index, which is designed to deliver capital appreciation through the selection of companies that focus on greener and generally renewable sources of energy and technologies that facilitate cleaner energy.

GE Energy

GE is one of the world's leading wind turbine suppliers. With over 8,400 worldwide wind turbine installations comprising more than 11,300 MW of capacity, our knowledge and expertise spans more than two decades. With wind manufacturing and assembly facilities in Germany, Spain, China, Canada and the United States, our current product portfolio includes wind turbines with rated capacities ranging from 1.5 to 3.6 megawatts and support services ranging from development assistance to operation and maintenance.

Ormat Technologies, Inc.

GT Solar International, Inc.

GT Solar International, Inc. (NASDAQ: SOLR) is a leading global provider of specialized manufacturing equipment and technology essential for the production of photovoltaic wafers, cells and modules and polysilicon for the solar power industry. The company's principal products are directional solidification systems and chemical vapor deposition reactors and related equipment.

Thomas & Betts Corporation

Thomas & Betts is a leading wind industry supplier specializing in the fabrication of turbine support structures for a wide range of turbine designs. T&B capabilities include fabrication of electrical and electronic components for power and power-related markets in the U.S. and abroad. The Company manufactures a variety of wind turbine support structures, including both lattice steel towers and tubular steel support towers, with capacity and flexibility for both small-scale and utility-scale wind developments. T&B is a public corporation, NYSE symbol: TNB.

Active Power, Inc.

Active Power battery-free solutions deliver ultimate power protection for mission critical operations. Whether it's a small industrial facility using a hundred kilowatts, or a data center with acres of servers consuming megawatts, quality power is essential for the digital world. Integrated with the flywheel motor-generator technology, CleanSource® DC & CleanSource® UPS - Uninterruptible Power Supply provide highly reliable back-up power protection while dramatically reducing space and cost. Today, CleanSource® technology has over 7 million hours of proven field operations in a broad range of applications, and is endorsed by leading power-quality consultants seeking an alternative to problematic lead-acid batteries.

A123 Systems, Inc.

At A123Systems we have developed breakthrough, patent pending Nanophosphate lithium ion battery technology that provides engineers and application developers significantly higher power, an inherently safer chemistry, and an order of magnitude longer life. Leading the market with superior price-performance, A123Systems products are applicable to a wide range of industries, allowing OEMs expanded flexibility in system design by removing many traditional technology constraints. Our company offers an array of products from single cells like our award-winning ANR26650M1 to large format, integrated, high power systems like our Heavy Duty packs.

FuelCell Energy, Inc.

FuelCell Energy, Inc., formerly Energy Research Corp., is a world-recognized leader in the field of high efficiency fuel cells for electric power generation. The Company's Direct FuelCell technology takes the inherent attractiveness of fuel cells one step further by eliminating the external fuel processing to extract hydrogen from a hydrocarbon fuel. This results in a simpler and more efficient system compared with conventional fuel cells. FuelCell Energy is based in Danbury, Conn.

Real Goods Solar

Since 1978, Real Goods Solar has led the sustainable living market through sales, education and installation of solar energy systems. We are the original and most experienced solar installer in the United States, and you can count on us to make your switch to renewable energy simple and satisfying. The Real Goods Solar Installation division provides integrated solar power systems to residential and commercial customers on the East and West Coasts. We currently operate in 11 states: California, Colorado, New Jersey, New York, Missouri, Connecticut, Vermont, Rhode Island, Pennsylvania, Massachusetts, and New Hampshire.

DayStar Technologies, Inc.

DayStar is positioned to become the world's leading manufacturer of low-cost, high performance, CIGS thin film photovoltaic products for converting electricity from the sun. Founded and staffed by a team of leading scientists, experienced thin film equipment and solar cell manufacturers, photovoltaic industry experts, and top management from the semiconductor industry.

Enphase Energy

Enphase Energy is changing the way solar power is delivered to homes and businesses with the breakthrough Enphase Micro-inverter System, making solar power systems more productive, more reliable, and smarter.

American Honda Power Equipment Division

Proton Energy Systems, Inc.

Located in a modern 100,000 square foot manufacturing facility in Wallingford, CT, Proton Energy Systems, Inc. (PROTON) is dedicated to the manufacture of cost effective Proton Exchange Membrane (PEM) hydrogen products using state-of-the-art engineering and manufacturing processes.

Valence Technology, Inc.

Valence Technology, Inc. is a leader in the development and commercialization of Lithium-ion polymer rechargeable batteries.

Zap Jonway Usa

ZAP has created the Alias, a freeway-speed vehicle, jointly designed by Lotus Engineering of Europe and ZAP's US-based automotive engineers. Sporting futuristic contours, the Alias is 100% electric, 100% of the time, can recharge via any outlet either at home or on the road, has a maximum driving speed of seventy-five+ MPH, a range of over one hundred miles, and goes from zero to sixty mph more than quickly.

American Honda Motor Co., Inc.

The Insight is the first gasoline-electric hybrid vehicle available in the U.S. It was designed from the ground up to achieve world-class fuel economy and ultra low emissions, using a combination of cutting-edge technologies, including an innovative hybrid powertrain, advanced aerodynamic design and lightweight aluminum body. The Insight earns the best EPA mileage ratings in history, rated at 61 mpg city/70 mpg highway. At the heart of the Insight is Honda's revolutionary Integrated Motor Assist (IMA™) system, which combines the world's lightest 1.0-liter, 3-cylinder gasoline automobile engine with an ultra-thin electric motor.

Suzlon Energy Limited

Suzlon is today a major force in the global wind industry, from humble beginnings in 1995, to ranking 5th worldwide, with 10.5% of the global market share in just over a decade. Already among the top five, Suzlon's Vision is to be a technology leader, to be among the top 3 wind energy companies in the world by leveraging technological leadership and commercial acumen to exceed customer expectations and be the most respectable brand which grows fast & is the most profitable company employing the best team in the sector.

The Toro Company

The Toro Company (NYSE: TTC) is a leading worldwide provider of turf and landscape maintenance equipment, and precision irrigation systems. With sales of nearly $1.7 billion in fiscal 2010, Toro's global presence extends to more than 80 countries through its reputation of world-class service, innovation and turf expertise. Since 1914, the company has built a tradition of excellence around a number of strong brands to help customers care for golf courses, sports fields, public green spaces, commercial and residential properties, and agricultural fields

Array Lighting | A Nexxus Lighting Company

Nexxus Lighting is proud to introduce the new Arrayâ ˘ Lighting LED lamp line of products. Array lamps have been designed and engineered to utilize patent pending Selective Heat Sink Technology (SHS), a ground breaking approach to LED lighting. SHS is an approach to thermal management that uses proprietary design and materials to lower thermal resistance to record levels, which allows an array of low power, high efficacy LEDs to achieve unmatched performance. No longer will quality of light be sacrificed to appease sustainability demands. Array Lighting provides high quality LED lamps/light bulbs for applications that include retail, commercial, institutional, and hospitality. Array lamps utilize world wide patent pending Selective He...

LDK Solar USA, Inc.

LDK Solar Co., Ltd. is a manufacturer of multicrystalline solar wafers, which are the principal raw material used to produce solar cells. LDK sells multicrystalline wafers globally to manufacturers of photovoltaic products, including solar cells and solar modules. In addition, the company provides wafer processing services to monocrystalline and multicrystalline solar cell and module manufacturers. LDK's headquarters and manufacturing facilities are located in Hi-Tech Industrial Park, Xinyu City, Jiangxi province in the People's Republic of China. The company's office in the United States is located in Sunnyvale, California.

Spire Corporation

Spire Corporation is the world's pioneer and leader in providing advanced and proven technology to the solar photovoltaic industry. From providing turn-key module production lines to advanced process and metrology tools, Spire has helped over 100 companies around the world to establish and improve their manufacturing capabilities. Spire has also become an acclaimed provider of Engineering, Procurement and Constructions (EPC) services to the commercial, utility, and government sectors to install completed PV systems for energy generation.

Guinness Atkinson Funds

The Guinness Atkinson Alternative Energy Fund seeks long-term appreciation investing in equity securities (US and non-US) of companies involved in alternative energy or energy technology sectors. Alternative energy includes, but is not limited to power generated through solar, wind, hydroelectric, tidal wave, geothermal, biomass or biofuels. Energy technology includes technologies that enable these sources to be tapped and also various manners of storage and transportation of energy, including hydrogen and other types of fuel cells, batteries and flywheels, as well as technologies that conserve or enable more efficient use of energy.

Exide Technologies

The Exide Technologies Industrial Energy division, with headquarters in both Büdingen, Germany, and Aurora, Illinois, manufactures, markets, distributes, and recycles industrial batteries for both motive and network power applications. Industrial batteries fall into two categories, those that supply motive power for vehicles such as fork lift trucks, and those that stand by to provide emergency or backup power to critical, uninterruptible operations when the AC or DC power is out.

Electric Fuel Corporation

Energy Conversion Devices, Inc. (ECD Ovonics)

Florida Power and Light Company (FPL)

Investor-owned utility company providing clean, reliable electric power to homes and businesses throughout Florida, and one of the nation's largest providers of electricity services; (NYSE:FPL)

New Alternatives Fund

A Socially Responsible Mutual Fund emphasizing Alternative Energy and the Environment.

UQM Technologies, Inc.

With more than 25 years of experience in developing and applying electric power systems to advanced vehicles, UQM Technologies is a world recognized technology leader in the development and manufacture of high performance, power dense and energy efficient electric motors, generators and power electronic controllers. A major emphasis of the company is developing electric power systems for battery electric, hybrid electric and fuel cell electric vehicles, under-the-hood power accessories and other vehicle auxiliaries, and distributed power generation.

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