Grid Interconnection Cost Calculator
Estimate the cost of interconnecting a generation project to the grid.
Inputs
MW
miles
$
$/mile
Results
Total Interconnection Cost
$4,770,000
Cost per MW
$95,400
Transmission Line$2,500,000
Transformer Cost$1,250,000
Switchgear & Protection$750,000
How to Use This Calculator
- Enter Project Size, Distance to Substation, and Interconnection Voltage.
- Set 34.5 kV, 69 kV, and 138 kV.
- Adjust 230 kV, Study & Engineering Cost as needed.
- Review Total Interconnection Cost ($) and Cost per MW ($).
- Use Transmission Line ($) and Transformer Cost ($) to inform your decision.
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