3M New Ventures – the corporate venture arm of 3M – announced an equity stake in Toronto-based Smart Energy Instruments (SEI), a move that will further accelerate SEI’s efforts in developing electronic chipsets with high-precision, real-time monitoring capabilities for smart grids, as well as give 3M a bigger presence in the energy sector. The investment from 3M New Ventures comes as several existing stakeholders also bolstered their equity in SEI, including Venturelink Funds, ArcTern Ventur...