Construction Work-in-Progress is a long-term asset account in which the costs of constructing long-term assets are recorded. The account Construction Work-in-Progress will have a debit balance and will be reported on the balance sheet as part of a company's Property, Plant and Equipment.
The costs of a constructed asset are accumulated in the account Construction Work-in-Progress until the asset is placed into service. When the asset is completed and placed into service, the account Construction Work-in-Progress will be credited for the accumulated costs of the asset and will be debited to the appropriate Property, Plant and Equipment account.
Depreciation begins after the asset has been placed into service.