• Is Sodium Sulfur (NaS) Battery a viable Grid Energy Storage Solution?
    Jan 11, 2012 | by | No Comments

    Is Sodium Sulfur (NaS) Battery a viable Grid Energy Storage Solution?

    By David Anthony and Tao Zheng On September 21st, 2011, sodium-sulfur (NAS) batteries installed at Mitsubishi Materials Corp’s Tsukuba Plant, Japan, caught on fire. It took firefighters more than 8 hours to control the blaze, and two weeks to extinguish the fire. NGK Insulators Ltd., the company that manufactured the energy storage system, said the [...]

  • Deep Shaft Sinking for Grid-Scale Energy Storage
    Jan 2, 2012 | by | No Comments

    Deep Shaft Sinking for Grid-Scale Energy Storage

    By Chris Grieco, Executive Vice President, Gravity Power, LLC., Gary Brierley, President, Brierley Associates, LLC., and Lok Home, President, The Robbins Company As several global regions see substantial economic growth, the need for additional electric power generation capacity increases significantly. This increase will include the need to provide electricity generation sources that operate only during [...]


Venture Capital
Guest Post: ‘Flash Crash’ Cleantech IPO Market On The Rebound Headed Into 2011
Feb 8, 2011 | by | 1 Comment

Back in March, investors digging out of the deep recession were buoyed by talk of a bustling cleantech IPO market. Netherlands-based Sensata Technologies (NYSE: ST), a sensor and controls technology company for a variety of applications including solar panels and alternative fuel vehicles, had just completed the “largest cleantech IPO in two years,” according to Cleantech.com.

Water
Recruiting and Other Challenges Cleantech Startups Face–an Interview with David Anthony
Oct 4, 2011 | by | No Comments

This interview was conducted by Richard Herbert of Helix Recruiting. Helix Recruiting specializes in recruiting cleantech specialists and executives. Below is a condensed version of the first two interviews. Richard Herbert: What do you think are the biggest recruiting challenges for pre-series A and newly funded companies. David Anthony: I will use an expression which [...]


About David Anthony

David Anthony David Anthony is an experienced entrepreneur, venture capitalist, and educator. Since founding 21Ventures in 2004, the firm has provided seed, growth, and bridge capital to over 40 technology ventures across the globe focusing mainly in the cleantech arena. David Anthony sits on the board of a number of 21V portfolio companies including (partial list) Advanced Telemetry; BioPetroClean, ETV Motors, and Variable Wind Solutions. David also serves on the board of directors of publicly traded companies Axion Power International, Inc. (OTC: AXPW); Clean Power Technologies Inc. (OTC: CPWE) Solar EnerTech Corp. (OTC: ENSL), Energy Focus, Inc.(NASDAQ: EFOI) and ThermoEnergy Corporation (OTC: TMEN). Read More >

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Venture Capital
Guest Post: ‘Flash Crash’ Cleantech IPO Market On The Rebound Headed Into 2011

Guest Post: ‘Flash Crash’ Cleantech IPO Market On The Rebound  Headed Into 2011

Back in March, investors digging out of the deep recession were buoyed by talk of a bustling cleantech IPO market. Netherlands-based Sensata Technologies (NYSE: ST), a sensor and controls technology company for a variety of applications including solar panels and alternative fuel vehicles, had just completed the “largest cleantech IPO in two years,” according to Cleantech.com.

More in Venture Capital
Water
Recruiting and Other Challenges Cleantech Startups Face–an Interview with David Anthony

Recruiting and Other Challenges Cleantech Startups Face–an Interview with David Anthony

This interview was conducted by Richard Herbert of Helix Recruiting. Helix Recruiting specializes in recruiting cleantech specialists and executives. Below is a condensed version of the first two interviews. Richard Herbert: What do you think are the biggest recruiting challenges for pre-series A and newly funded companies. David Anthony: I will use an expression which [...]

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Investment
Finding Certainty in a World of Economic Instability

Finding Certainty in a World of Economic Instability

By Ferris Eanfar, Financial Policy Council; TMax Capital From London to Athens, Dublin and Madrid, the Euro Zone has been rocked by riots and political turmoil because global banks and Western politicians have driven their economies into the ground. Although the situation in The Middle East is even more tragic, most Americans have believed their [...]

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Efficiency
Deep Shaft Sinking for Grid-Scale Energy Storage

Deep Shaft Sinking for Grid-Scale Energy Storage

By Chris Grieco, Executive Vice President, Gravity Power, LLC., Gary Brierley, President, Brierley Associates, LLC., and Lok Home, President, The Robbins Company As several global regions see substantial economic growth, the need for additional electric power generation capacity increases significantly. This increase will include the need to provide electricity generation sources that operate only during [...]

More in Efficiency
Other Industries
What’s the Driving Force Behind China’s Great Green Leap Forward?

What’s the Driving Force Behind China’s Great Green Leap Forward?

With most of the world still reeling from the global financial crisis, China shows no signs of slowing down. And, despite charges of obstructionism at the Copenhagen climate summit, the People’s Republic is steadily taking the lead in cleantech and the green economy.

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