*This content is currently applicable to customers in the Bangor Hydro District only. PowerSmart Maine Online is a free online tool that allows you to track how much energy you use and when you use it. PowerSmart Maine Online puts you in control of your electricity usage and helps you make more informed energy choices. This tool provides customers with easy and secure access to their own energy usage by the month, week, day, or hour. You also can download up to 13 months of hourly usage information in a spreadsheet. PowerSmart Maine Online is only available to Emera Maine, Bangor Hydro district customers. Login or register for our online services. Read the PowerSmart Maine Online Quick Guide. Contact Us for information related to your energy usage, your electric service or your electric bill. Smart Grid PowerSmart Maine Online is part of Emera Maine’s smart grid initiative.