Our Next Energy(ONE), an energy storage solutions company developing a hybrid system based on a cobalt-free battery and a lithium iron phosphate battery for EVs, closed its $300 million Series B funding round at a post-money valuation of $1.2 billion. Fifth Wall and Franklin Templeton led the funding round with participation from the company’s existing investors and new growth equity investors Temasek, Riverstone Holdings, Coatue, AI Capital Partners, and Sente Ventures.

Peak Power, a provider of AI-powered clean energy optimization software for commercial and industrial (C&I) facilities, announced a $200 million financing agreement with Madison Energy Investments (MEI), which finances, develops, owns, and operates distributed energy projects for C&I and government facilities across the United States. Peak Power, founded in 2015, develops software called Peak Synergy, with features including grid load visualization, peak prediction, battery storage optimization, and strategical EV charging.

Solar power optimization and EV charging tech provider Enteligent raised $7 million in seed funding from strategic and institutional investors to fast-track the commercialization of its solar optimization platform, a DC-to-DC solar hybrid bi-directional EV charger. This seed round included investments from several strategic investors, including NOVA, the venture arm of Saint-Gobain, a building material company, and Taronga Ventures, a real-asset technology investor.

Liminal, a battery manufacturing intelligence company, announced a $17.5 million Series A2 funding round. Climate tech fund ArcTern Ventures led this round, with participation from new investors Northvolt and Ecosystem Integrity Fund, along with continued support from Chrysalix Venture Capital, Good Growth Capital, University of Tokyo Edge Capital Partners, Volta Energy Technologies, Impact Science Ventures, and Helios Climate Ventures.

SEW, a provider of digital customer experiences solutions for utilities, acquired 3Insys, a data and security integration software company, for an undisclosed amount. The acquisition will bolster SEW’s capability to deliver and implement end-to-end digital customer and workforce experience platforms. It will also provide comprehensive solutions to address challenges associated with utilities and their critical infrastructure, solve underlying technical issues related to and integrate disparate and new systems that pose significant implementation challenges.

DNV, an independent energy expert and assurance provider, has acquired global solar irradiance data and forecasting provider Solcast to expand further DNV’s offering to solar energy customers with digital and data-driven services that help maximize the value of solar power plants globally.

Click here for reports and trackers on funding and M&A transactions in solar, energy storage, smart grid, and efficiency sectors.

Read last week’s funding roundup.