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Regulatory and Rate Matters - Application For a New 345 KV Transmission Line (Details) $ in Millions | Aug. 10, 2018 USD ($) kv MW | Mar. 21, 2018 MW
--- | --- | ---
KV Transmission Line |  |
Public Utilities, General Disclosures [Line Items] |  |
Transmission line and associated facilities generation capacity (in kilovolts) | kv | 345 |
Solar generation capacity (in megawatts) | MW | 166 |
Estimated cost of project | $ | $ 85.0 |
Facebook Data Center |  |
Public Utilities, General Disclosures [Line Items] |  |
Estimated cost of project | $ | $ 39.0 |
Estimated cost of project, percentage | 46.00% |
Facebook Data Center | Avangrid Renewables, LLC |  |
Public Utilities, General Disclosures [Line Items] |  |
Solar generation capacity (in megawatts) | MW |  | 166

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