What interconnection agreement means
An interconnection agreement is the utility's approval and contract to connect a solar system to the grid.
Where it matters on a solar job
No power gets exported until the utility signs off, so the agreement often sets the date the customer starts saving. Put the utility step on the job timeline so the customer is not waiting on you for something the utility controls.
What it costs
The solar panel installation cost guide has the typical job at $21,000 and the usual range at $16,500 to $24,000. The guide shows its sources and what moves the price.
Work it out
- Cost guide: Solar panel installation cost
- Tools, templates and guides: Free solar resources