> How would solar help with "milk powder"? Or recycling? Or transport?
Sorry, I might be missing your point here as you already know my answer - solar power is an energy source.
Dehydrating milk by burning coal is a dirty option. Fonterra burns a lot. They don’t say how much but numbers up to 700k tons are claimed [1]. I’d love a better source, as real usage is likely lower. However they do use more than a decent sized power plant.
An electrified rail network is basic infrastructure. We send everything by truck. It destroys the roads and the bridges. It clogs the cities as the ports are located poorly for road access (Auckland and Tauranga). We depend on a few ships to connect the North and South Island. Electric ships have been considered but we have made zero actual progress replacing our aging and decaying ships.
Encouraging the use of electric transport seems an obvious thing when we are a heavily hydro country. We may be losing Rio Tinto, who use a huge percentage of our power. We could use this energy for transport. Instead we are upping taxes on electric cars and dropping taxes on large, fuel inefficient utes/suv/trucks (not sure what everyone calls them).
We could do a lot better with what we have.
[1] https://coal.org.nz/economy-coal/