Anyone?

I have just finished my first year in a combined MS & PhD program. I am searching for a research position in my university. I am getting the opportunity to do research in a completely new but demanding field of Power Systems Engineering. I am just confused if I should go for it or not. I can find research positions in my area of study as well but I think that Computer Science is not for me and may be I should switch to a different area. I have to start studies about Power Systems Engineering from scratch. Please advice me about this issue.