What affects the price
- Distance from main panelAdjacent: cheapest. 25+ ft: more conduit + heavier wire.
- Detached structureTrench + buried conduit + ground rod set: +$600–$1,500.
- Amperage60A sub: lighting + outlets. 100A sub: shop tools, EV charger, mini-split. 200A: subdivision-level.
What's included
- Sub-panel + breakers
- Feeder cable from main
- Bonding + grounding (per detached vs attached rules)
- Lucas County permit + inspection
When to call
When adding a workshop, finishing a basement, building a detached garage, or running a hot tub + pool combo. Cheaper than a 200A main upgrade if the main has free breaker space and capacity.
Related questions
Sub-panel vs main panel upgrade?
Sub-panel: existing main has capacity, you just need more breaker slots in another location. Main upgrade: existing main is recalled (Federal Pacific), full, or undersized for total load. Pros pull the load calc to decide.
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