Experience makes all the difference, and at PSD, our engineers are ready to put that experience to work for you. PSD has designed and built more than 400 configurations of substations and transmission lines up to and including 500kV projects serving utilities, industrials, municipals, wind farms and many other markets. With a track record of success, PSD’s reputation has grown by managing diverse and challenging projects to our customer’s satisfaction with on time completion. This success has resulted in repeat customers and continued growth for PSD, including ‘word of mouth’ recommendations that our engineers love to hear.