During the following decade, a smart energy system will be built in Oulu’s Karjasilta area. The smart fourth-generation district energy system will both heat and cool the area's properties. The residental area will be built by Hartela Oy and Oulun Energia is responsible for implementing the district energy system. Karjasilta’s hybrid heating and cooling system is manufactured and supplied by HögforsGST.

HögforsGST has made an investment in Bithouse, a hardware and software development company based in Tampere, Finland. The investment is a natural continuation of the collaboration between HögforsGST's software development team and Bithouse, which has focused e.g. on the development of HögforsGST's Fiksu Control System.