The company's adjusted group profit, which removes the impact of fair value gains on acquisitions, revaluations, changes to tax rates, and discontinued operations, was $134m, up 12 per cent on the previous year's
The dividend brings the total dividend for the year to 8.0c per share, up from 6.75c previously.
The company, which owns just over half of power generator and energy retailer, TrustPower, said the year had been one of "disciplined growth".
Along with TrustPpower, Infratil either owns or has big holdings in Wellington Airport, NZ Bus and Z Energy, and has energy assets in Australia.