More cleantech Stories
loading external resource

ATMRCV

Twenty-one cleantech startups from across the U.S. competed for a grand prize of $250,000 in investment and services at this year’s Cleantech Open Business Competition. And the winners are . . . Read more »

loading external resource

PVcell

Physics professor Tom Murphy fights solar PV snobbery with his explanation of why 15 percent efficiency rates for solar panels is actually quite remarkable and not the real barrier to clean power. Read more »

earth2

Follow physics professor Tom Murphy on an exercise in galactic energy that points out the absurdity that results from the assumption that we can continue growing our consumption of energy forever. Read more »

JinkoSolar

On Thursday JinkoSolar issued a lengthy explanation of an environmental controversy surrounding its solar cell factory in China that led to a massive protest and plummeting share prices. The disclosure raises questions about what and how JinkoSolar should have disclosed this as a public company. Read more »

greenitlogo

Cleantech, meet mobile. The intersection between these two industries has grown over the past twelve months as companies increasingly look to use smartphones as a platform to enable their services, according to a new report from our GigaOM Pro Green IT analyst Adam Lesser. Read more »

greenpeace-feature

Clean is as clean does when it comes to cloud computing and green data centers. Much has been said about how cloud computing boosts energy efficiency as data centers move off old tech and into the cloud. But there’s more to being green than energy use. Read more »

ProjectFrog1

Despite the seemingly downward short-term trend for cleantech investing, corporations and investors continue to back the green building sector. On Wednesday San Francisco–based energy-efficient building company Project Frog announced that it has raised $22 million from GE and a group of investors. Read more »

Subscriber Content

solarpanel

Solar technology startup Solyndra, which has raised more than $1.5 billion in private and government funds, has suspended manufacturing and laid off 1,100 full-time and temporary employees. We conducted a survey and asked GigaOM readers for their views on the fallout of Solyndra’s decision to file for bankruptcy and what the future holds for the company. This research examines the survey’s results. It also includes an analysis of Solyndra’s struggles over the past two years to move into mass production, and to do it amidst difficult and volatile economic conditions. Companies mentioned in this report include Evergreen Solar, First Solar and SpectraWatt. For a full list of companies, and to read the full report, sign up for a free trial. Read more at GigaOM Pro »

Skyline Solar X14 Array

As energy use by the U.S. military grows — the Department of Defense (DoD) uses 300,000 barrels of oil every day — the conversation about how the military can consume cleaner power continues to grow, too. One potentially good fit could be concentrating solar photovoltaic technology. Read more »

graveyard1

Silicon Valley’s so-called undertaker, Sherwood Partners, which specializes in shutting down startups, sees a major fallout coming for cleantech, according to an interview with PeHub. If the IPO window has really slammed shut for much of 2011, that prediction could come true. Read more »

A123SystemsGrid1

Only 72 percent of China’s wind-power sources are connected to its grid — meaning there’s a good deal of wind turbines that are spinning that aren’t providing usable clean power. Battery maker A123 Systems hopes its first deal in China can help with that problem. Read more »

armeggedon

The cries declaring a cleantech armageddon are coming keep on getting louder. But I don’t think cleantech is headed for a sharp crash. It’s been going through consolidation for some time now, and the cleantech sector is inherently cyclical and is heading into a down cycle. Read more »

Cogenra at GH v2

When it comes to adopting new technologies, particularly solar, farmers and owners of ag-related operations have often led the way. We list some recent projects that rely on agricultural producers to demonstrate new technologies. Read more »

twins1

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 »

1234page 2 of 4