Portable power - on demand. Whether you are looking for mobility or security a portable generator is your answer. For 22 years, TNT Standby Power has been supplying our customers with a continuous supply of power; at home during power outages; at the cottage or in the remote locations where they work. Portable generators are flexible and rugged; they can be mounted on a trailer or dolly for even greater flexibility. Go portable, take your power with you.