More cards in this set

Which is more reliable -tidal barrages or wave energy?

As solar cells are expensive and inefficient, is the cost of their electricity high or low?

What do solar panels do?

Do solar cells or solar panels function at night (without help)?

Does hydroelectric power (hep) produce any greenhouse gases (answer 'no' or name one)

Do nuclear power stations produce a lot of energy?

Which current is used in the national grid and in households?

Is wave energy reliable?