A week or so ago electricity was costing 20 times more. Over the last week wind has sometimes been only producing around 10 percent of electricity.
We are relying to much on transfers
from Europe.
We should have a plan to become self sufficient.
The tiles should be cut so that each side of the valley meets without any gaps. Hard to see but the angles of the two roofs may need a different type of valley.
Google close cut tiled valleys