For the UK it still seems that tidal is the most reliable twice a day solution, but with astronomical lead in costs.They have talked about the Bristol Channel, but nobody has the money or inclination. Solar panels are so inefficient, even though research continues. Reducing demand is the other option and we are heading that way with costs to the consumer anyway, but with the impact on industry and jobs. Denby pottery close to where the family live has called it a day, because of spiralling costs.