According to Gartner Group, who created this evaluation method, the abbreviation TVO means total value of ownership.

Differs from total cost of ownership

Total cost of ownership

Total cost of ownership is a financial estimate whose purpose is to help consumers and enterprise managers determine direct and indirect costs of a product or system...

(TCO) in that it considers the benefits of alternative investments. It is a comparative measure that evaluates the TCO and any additional benefits, such as the mobility of laptops when compared to desktop computers.