Tom Konrad's Articles

Geothermal Heat Pumps: The Best of the Best

Waterfurnace Renewable Energy (TSX:WFI, OTC:WFIFF) launched its new highly efficient 7 Series geothermal heat pumps (GHP) today. The 7 Series commercial release beats Climatemaster's (a division of LSB Industries (NYSE:LXU)) Trilogy 40 as the first commercially...

Two EVs for the Other 99 Percent

The chatter among electric vehicle (EV) enthusiasts and investors is all about the launch of the Tesla (NASD:TSLA) model S. A cool ride, no doubt, but not many of us are ever going to buy a sedan that starts at $49,900, even after the $7,500 tax subsidy...

One, Two, Three Uses for A123's New Batteries

A123 Systems? (NASD:AONE) announcement of a new battery technology able to operate at both extremely high and low temperatures has the headline writers dreaming of cheaper electric cars.

First Solar's New Research Platform: Big News for Intermolecular

Two years ago, it seemed like First Solar (NASD:FSLR) could do no wrong. The company could manufacture it's thin film Cd-Te photovoltaic (PV) cells at a fraction of the price of traditional crystalline silicon (c-Si) cells. First Solar was the first company...

Solar Inverter Shakeout: 3 Survivors, 2 Buyers, a Loser and a Wildcard

The major publicly traded solar inverter companies are Power-One (NASD:PWER), Satcon (NASD:SATC), SMA Solar (OTC:SMTGF), Siemens (NYSE:SI), Advanced Energy Industries (NASD:AEIS), Schneider Electric (OTC:SBGSF) and upstart Enphase Energy (NASD:ENPH)....

Three Things Goldman Sachs' $40B Greentech Investment Means, and Two It Doesn't

More than any other investment bank, Goldman Sachs (NYSE:GS) is famed for its skill at picking good investments. Last week, the bank announced it would invest another $40 billion in green technologies over the next 10 years (or an average of $4 billion...

Geothermal Heat Pumps: The Next Generation

Climatemaster, a division of LSB Industries (NYSE:LXU), recently announced that their new Trilogy 40 geothermal heat pump (GHP) had been certified by the Air Conditioning, Heating, and Refrigeration Institute (AHRI) to exceed 40 Energy Efficiency Ratio...

Green Dividend Values (11 Clean Energy Stocks for 2012)

Fear of the disintegration of the Euro resurfaced in May, sending all stocks downward. Clean energy stocks once again fell more than the market as a whole. Possible causes are that many clean energy sectors are exposed to further loss of European subsidies,...

Buying Opportunity at Renewable Energy REIT, Courtesy of Disgruntled Shareholder

Power REIT (AMEX:PW) aims to be the first renewable energy infrastructure Real Estate Investment Trust (REIT).

A Gust of Wind Industry Mergers

A rising tide may float all boats, but a stiff wind separates the wheat from the chaff. Over the last week, it's become clearer which wind developers are the wheat and which are the chaff. Stronger developers with deeper experience are buying projects...

Tom Konrad

Tom Konrad

Tom Konrad is a financial analyst, freelance writer, and policy wonk specializing in renewable energy and energy efficiency. He manages green stock market portfolios. He writes articles about investing in clean energy for Forbes.com AltEnergyStocks.com....

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