The VC sphere saw a number of huge deals go down over the past three months, such as the $198m invested into California thin-film solar company Solyndra by Massachusetts-based Argonaut Private Equity.

Globally, VC firms inked 112 deals worth $1.9bn with clean-tech companies in the third quarter, according to market researcher Greentech. That marks a significant jump over the first quarter’s $839m and the second quarter’s $1.2bn.

However,