Power demand is rising, especially in emerging countries, high-voltage grid expansion expected. Traditional steel or aluminium cable cores are being replaced by lighter, stronger CFRP (carbon fibre-reinforced polymer) cores. These new cores are 30% lighter, reduce transmission loss, double power capacity, and prevent heat-related sag. This allows for fewer towers, cutting construction costs. Being rustproof, they also last longer, hence this CFRP core overhead electric cable business  maybe a significant growth area for carbon fibre.