Long-Term Deposit

12 Months Ended

Dec. 31, 2017

Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]

Long-Term Deposit

Long-Term Deposit

On March 10, 2015, NV Energy and Switch, Ltd. entered into a Substation Agreement and related land purchase agreement for land owned by a wholly-owned subsidiary of Switch, Ltd. Pursuant to the Substation Agreement, NV Energy designed, constructed, maintains, and owns a substation and related feeders in connection with service to Switch's development of three of its data center facilities in Las Vegas. The substation was placed into service in April 2016. Switch has paid the associated costs and associated tax gross-up related to the development of the substation and related feeders as defined in the Substation Agreement. These costs are subject to reimbursement based upon Switch's future power usage. Costs incurred as of December 31, 2016 totaled $6.2 million, of which $4.4 million are classified as long-term deposits and $1.8 million as property and equipment on the consolidated balance sheets. In October 2017, a reimbursement of $1.4 million was received related to the substation, of which $598,000 was classified as long-term deposits and $815,000 as property and equipment. Costs incurred as of December 31, 2017 totaled $4.8 million, of which $3.8 million is classified as long-term deposits and $964,000 as property and equipment.