Backup power needs safe transfer equipment
Generators must be connected properly so they protect your home and utility workers. Transfer switches and interlock kits prevent unsafe backfeed.
Common generator projects
- Whole-home standby generator
- Portable generator inlet
- Manual transfer switch
- Critical-load sub-panel
- Backup power for sump pumps, refrigeration, or medical equipment
What to expect
- Assessment of loads you want to back up
- Selection of transfer equipment
- Electrical installation and coordination with other trades if needed
- Testing and walkthrough of safe operation
Average cost in DC/DMV
- Portable generator inlet and interlock: $700-$1,500
- Manual transfer switch: $1,000-$2,500
- Standby generator electrical work: often $3,000-$7,000+ depending on system
Planning ranges reviewed August 2026. They are not quotes; actual pricing depends on the home, scope, access, materials, permit requirements, and electrician.
Frequently Asked Questions
Do I need a licensed electrician for this work?+
Yes. Electrical work in DC, Maryland, and Virginia should be handled by a licensed electrician for safety, permitting, and code compliance.
How quickly can I be connected?+
We aim to route requests promptly, but timing depends on location, service type, urgency, and contractor availability.
Is there any obligation after submitting the form?+
No. Submitting a request helps us connect you with a local pro, but you choose whether to move forward.
Need generator installation help?
Tell us what is going on and we will help connect you with a local electrician.