The trend of energy change affects the Norwegian energy sector. Due to the relatively nascent and rapid advancing nature of the industry, BMI in the energy sector is a new domain that has not been explored much in the literature. This thesis explores how suppliers in the Norwegian energy sector respond and adapt to the context change by innovating their business models. Through a qualitative case study with an explorative and comparative design, the author compared the case of ABB and DNVGL and demonstrated the different BMI approaches that are applied by firms in the sector. The findings indicate that technology is both the core competence for the firm as well as the dominant factor for BMI. The success of technology commercialization is b...