Spanish vertically integrated solar energy specialist Soltec Power Holdings SA (<a href="https://www.bolsasymercados.es/bme-exchange/es/Mercados-y-Cotizaciones/Acciones/Mercado-Continuo/Ficha/Soltec-Power-ES0105513008" target="_blank">BME:SOL</a>) has won an order to supply 300 MW of its trackers for three solar projects in Spain, the company said on Wednesday.