San Francisco-based building business Project Frog has closed on $22 million in new financing led by GE Energy Financial Services. Claremont Creek Ventures, Greener Capital Partners and RockPort Capital Partners also joined in the round, which is designed to help Project Frog expand its sales pipeline and execute on orders. As part of the deal, the company is also beginning construction of one of its green, pre-fab buildings at GE’s Learning Center in Ossining, NY.

Nuventix, the Texas-based maker of LED cooling technology for efficient lighting displays, revealed that GE Energy Financial Services and The Bergquist Company joined existing investors Braemar Energy Ventures, CenterPoint Ventures, InterWest Partners and Rho Ventures to provide the company with a $10 million investment. Specifics on the investment were not publicized.

SynapSense Corp., a maker of data center infrastructure management products, has closed on $16 million in Series C financing led by Crosslink Capital. Aeris Capital, Emerald Technology Ventures, GE Energy Financial Services, Nth Power, Robert Bosch Venture Capital and Sequoia Capital also joined in the round. The money will help SynapSense expand. Louis DiNardo, a partner with Crosslink Capital, joined the SynapSense board as a result of the round.

Nuventix, the creator of an LED cooling technology for energy-efficient lighting, has closed on $10 million in fresh capital from GE Energy Financial Services, the Bergquist Company, Braemar Energy Ventures, CenterPoint Ventures, InterWest Partners and Rho Ventures. The money will go toward expansion and technology development, the company said Tuesday. GE Lighting and Nuventix also announced a license agreement.

Scientific Conservation Inc., a building energy management company, has closed its Series B financing round with more than $19 million. The company sealed investments from GE Energy Financial Services and Triangle Peak Partners. San Francisco-based Scientific Conservation has developed a software-as-a-service platform designed to help reduce annual energy spending by comparing predicted energy and system efficiencies against real-time operation.

If you need more evidence funding green energy and infrastructure companies has become an insular business, look at the top 10 most active U.S.-based cleantech investors for the first quarter. As a group, the 10 most active U.S. VCs funded 47 companies — or 40 percent — of the 118 cleantech companies that received backing [...]

Google Ventures announced today that it has made an undisclosed Series B investment in CoolPlanetBiofuels. The Camarillo, Calif.-based company previously raised $8 million in a round led by North Bridge Venture Partners with participation from GE Energy Financial Services. CoolPlanetBioFuels is developing a technology that converts low-grade biomass into high-grade fuel and carbon. PRESS RELEASE [...]

SustainX, which is developing technology for energy storage using compressed air, has closed on $14.4 million in financing. GE Energy Financial Services, a unit of GE, contributed to the round, as did Cadent Energy Partners and existing shareholders Polaris Ventures and Rockport Capital. New Hampshire-based SustainX previously raised $5.4 million from investors including the Small Business Innovation Research program of the National Science Foundation and the Energy Storage Program of the US Department of Energy.

Milpitas, Calif.-based Soladigm, which develops highly energy-efficient dynamic glass for buildings, has raised an additional $10 million in financing, closing its Series C round with a total of $40 million. New investors The Westly Group and Navitas Capital contributed to the round, as did the company’s existing shareholders: San Francisco-based DBL Investors and Cayman Islands-based firm Nano Dimension. GE Energy Financial Services, Khosla Ventures and Sigma Partners.

Ciris Energy, which is developing technology to biochemically convert coal to methane, has inked a second round of venture financing led by new investor Khosla Ventures. Existing shareholders Braemar Energy Ventures, Rho Ventures, and GE Energy Financial Services, also participated in the funding. The amount of the round was not released.