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Cleantech

Solar tech companies have suffered in 2011, and a speedy recovery in 2012 doesn’t seem likely. But the market holds huge potential for growth, and this dark time shall pass. Here is our look at solar trends to watch for in 2012. Read More »

Tigo Energy, which develops solar electronics to boost power generation from solar cells, said Monday it’s raised a D round of $18 million. The company, which has shipped “hundreds of thousands” of devices, expects to ship more than one million of them in 2012, Tigo… Read More »

 
 

The state of cleantech venture capital, part 3: The companies

Half of successful VC-backed cleantech start-ups stumble along the way. Entrepreneurs who raise big financing rounds at sky-high valuations can end up shooting themselves in the foot. Read More »

Enphase Energy wants to raise money from the public market, but given how much the IPO market sucks these days, the solar power conversion gear company is turning to private investors. The company has raised $21.86 million from a fundraising goal of $81.86 million. Read More »

Tigo Energy raises $5M for smarter solar

As the solar market grows and competition intensifies, technology that can maximize energy harvesting from solar panels will continue to win over investors. The latest example comes from Tigo Energy, which has raised $5 million, according to its government filing Tuesday. Read More »

Power electronics that can boost energy production from solar panels has emerged in recent years as a favorite among venture capital investors. On Monday, that trend continues with the announcement that an Israeli startup, SolarEdge, has raised $37 million from VCs. Read More »

Solar panel giant SunPower has decided to embrace microinverters, which are a new emerging form of solar inverter that are embedded on each panel and are used to convert direct current generated by solar panels into alternating current for the grid. Read More »

Looking for a big cleantech IPO in 2011? Forgetaboutit!

A massive selloff of stocks back in August raised the possibility of a closing IPO window for cleantech companies. But if you were hoping for a more uplifting prognosis since, then you’re out of luck — at least for the rest of the year. Read More »

Figuring out ways to convert solar power efficiently is attracting a lot of public and private dollars these days. Google-backed Transphorm is teaming up with another startup, Enphase Energy, to develop a device using a novel material with financial support from Department of Energy’s ARPA-E. Read More »

While the greentech IPOs that have happened in the past year have fared decently, they’re no comparison to many of the public debuts in the works by social media companies. Zynga’s reported potential $2 billion raise could deliver five times Tesla’s combined IPO and follow-on offering. Read More »

Enphase Energy, which makes solar microinverters, is in the process of raising $51.5 million according to a filing. The company filed the fund-raising form just a week after it announced it’s aiming for a $100 million IPO. Read More »

Here is another sign that a new class of solar inverters is cementing its hold in the market: SolarBridge Technologies announced Monday that it has raised $19 million to expand the sales and manufacturing of its microinverters. Read More »

More Must Reads

Enphase Energy, which makes small distributed microinverters for solar panels, filed an S-1 yesterday for a $100 million IPO. Here’s the breakdown of how much Enphase is earning, spending, and shipping, and who will win out in the public debut. Read More »

Solar inverter maker Enphase Energy is taking a plunge by filing to go public. In a government filing Wednesday, the California company said it plans to raise up to $100 million. Read More »

SunReports has launched a Facebook app that displays how much power your home solar system is generating. Monitoring solar systems can make sure solar panels are working right, while solar installers are hoping that showing off solar systems via social networks will lead to more sales.… Read More »

The leader of the U.S. solar microinverter market, Enphase Energy, needs to watch its back. On Tuesday U.K. startup Enecsys announced that it’s raised £25 million ($41 million) in equity to essentially try to conquer North America. Read More »

Enphase Energy has made a name for itself as a trailblazer of the microinverter market. But keeping that lead won’t be easy, and the company is launching a series of new products that are smaller and lighter and more tailored for different customer types. Read More »

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