The 960 capacity men's facility opened in 2015. SecureFuture subcontracted Fletcher Building to design and build Wiri and Serco to operate the prison for 25 years. Spotless Facility Services is subcontracted to Serco to maintain the prison facility.
Serco sold its 10 per cent stake in SecureFuture to InfraRed last year. Interest income was $29.8m from $30.2m.
The Department of Corrections pays a monthly charge to SecureFuture to cover the construction, finance and operating costs for the prison. Under the agreement, Corrections provided land adjacent to the Auckland Region Women's Corrections Facility to the contractor on which to build and run the prison.
SecureFuture's annual financial statements show the balance of its concession finance receivables at June 30 was $329m, down from $332m a year earlier. The effective interest rate was 9 per cent, unchanged from a year earlier.
The receivables are pledged as security for its senior bank debt facility, which stood at $289m and paid interest of 6.1 per cent. The bank facility matures in August 2019. In addition, it had $45m of lower-ranking shareholder loan notes at an interest rate of 10.5 per cent and a final repayment date of May 2040.
The company declared dividends of $4.9m, down from $5.5m a year earlier.
London Stock Exchange-listed Serco's New Zealand unit works to a calendar year and posted loss of $10.5m in 2016, from a loss of $11m in 2015.
In April 2016, it agreed to pay $8m to the Department of Corrections after the department invoked a step-in clause in the Crown's contract, taking back management of the Mt Eden Corrections facility following an investigation into organised fighting at the remand prison.