Sentences with phrase «expensive type of wind»

A closed - circuit wind tunnel is a very large and expensive type of wind tunnel.

Not exact matches

Wind farms and solar require backup power almost as large as their own output and the backup is usually of the more expensive type for fast peak switching.

There are some new short to medium term storage options emerging, which can buffer variable outputs from wind etc, for example various types of flow battery, liquid air storage and even conversion to hydrogen gas via electrolysis, but the problems with storage is that it's inefficient and expensive.