costs over 90 per cent more than in the US costs over 90 per cent more than in the US costs over 90 per cent more than in the US costs over 90 per cent more than in the US costs over 90 per cent more than in the US costs over 90 per cent more than in the US costs over 90 per cent more than in the US costs over 90 per cent more than in the US costs over 90 per cent more than in the US costs over 90 per cent more than in the US costs over 90 per cent more than in the US average electricity prices average electricity prices costs over 90 per cent more than in the US costs over 90 per cent more than in the US costs over 90 per cent more than in the US costs over 90 per cent more than in the US vast majority of consumers