System operator Neso predicts lowest carbon intensity ever on Christmas Day after new wind and solar power come online Britain’s energy system operator has predicted that this year’s Christmas Day could be the greenest yet. If the weather remains mild and windy for the rest of December, the National Energy System Operator (Neso) has said it could record the lowest carbon intensity – the measure of how much carbon dioxide is released to produce electricity – recorded on the network for 25 December. Continue reading...