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Waltham, Mass.-based GMZ Energy has raised $14 million in Series C financing. Mitsui Ventures led the round, which included participation from I2BF Global Ventures, Energy Technology Ventures, Kleiner Perkins Caufield & Byers and BP Alternative Energy. The company, a maker of thermoelectric materials and systems, will use the infusion to expand its engineering and “go-to-market” capabilities, the company said.

CiiNOW, a Mountain View, Calif.-based cloud compute platform developer, has closed on $13 million in Series A financing from Foundation Capital, Alcatel-Lucent and an unnamed strategic investor. The company is using the money to expand its hiring and partnership development teams, among other efforts.

Waltham, Mass.-based CounterTack, a maker of in-progress cyber attack intelligence and response technology, has closed on $9.5 million in fresh capital. Fairhaven Capital led the Series A round. CounterTack was formerly known as NeuralIQ.

Cloud-based email security company AGARI, f.k.a. Authentication Metrics Inc., has added $2.5 million in fresh capital from Alloy Ventures, Battery Ventures, First Round Capital and Greylock Partners. The Series A round will be used to scale its technology, designed to protect brand reputation, eliminate email threats, and prevent the loss of sensitive data, the company says. AGARI is based in Palo Alto, Calif. Alloy Ventures led the round.

Atlanta-based Cardlytics has raised $33 million from Groupe Aeroplan and existing investors to expand its transaction-driven marketing technology and banking rewards business in the U.S. and abroad. The company has raised financing previously from investors Kinetic Ventures, ITC Holding Company, Canaan Partners, Polaris Venture Partners and Total Technology Ventures.

KidZui, the developer of an Internet browser for kids, has launched its Zui.com search engine for kids aged 3 to 12 years old. The site is backed by $2 million in financing from Mission Ventures, Maveron, Emergence Capital and Scholastic Corp. The company sealed $1 million this spring, and grabbed $1 million last fall. KidZui is based in San Diego, Calif.

Social lending website Prosper.com has added $17 million in new funding from new investors Draper Fisher Jurvetson and Crosslink Capital, as well as return backers Accel Partners, CompuCredit, Omidyar Network, TomorrowVentures, and Volition Capital. As a result of the round, Tim Draper, founder and managing director of Draper Fisher Jurvetson, and Crosslink General Partner Jerome Contro will join the Prosper board. To date, Prosper has raised $74.85 million in venture capital.

U.S. solar start-up Suniva Inc., which is backed by a long line of brand-name investors including Warburg Pincus and New Enterprise Associates, has closed on $94.3 million of a proposed $115 million equity financing round, according to a filing with the Securities and Exchange Commission.

Waltham, Mass.-based Verdasys, a company focused on enterprise information protection technology, has raised $15 million from GE Pension Trust. The money will help Verdasys to expand its “Digital Guardian” platform into mobile devices and cloud security, as well as add to its team and expand distribution channels.

San Diego-based Grid2Home has closed a second round of financing led by Granite Ventures. The communications software company is focused on “Smart Grid” connectivity technologies. Details of the financing were not released. The money will be used to take Grid2Home’s software into production.