Get it done right! GenX Generator is a turnkey contractor for the sizing & sales, permitting & installation, service & maintenance, and warranty of residential standby generators. Based in Highland Park, we service the northeastern portions of Illinois and Chicago. We specialize in all of the standby power needs of Chicago's North Shore homeowners. From the initial consultation to the free in home estimate and sizing, we will provide a custom solution to suit your backup power needs. We know your local codes, and will obtain permitting and be onsite for all required inspections.