Mining technology developed by a Dunedin robotics company for use in an international commercial laboratory will be ‘‘transformational’’ for the company, it says.

Calder Stewart is about to put $110 million of rooftop solar and battery storage into its vast estate of industrial properties.

A homeowner says his young family faced delays and unexpected costs and their experience with an indebted Dunedin builder ‘‘nearly broke’’ them.

Business confidence across Otago and Southland has halved since the start of the year with almost three-quarters of Dunedin businesses sceptical conditions will improve, data shows.

An AI-powered programme that helps Otago businesses sharpen their performance is being financially backed by the government so it can expand across the country.