Spanish independent renewable power producer Ecoener SA (<a href="https://www.bolsasymercados.es/bme-exchange/es/Mercados-y-Cotizaciones/Acciones/Mercado-Continuo/Ficha/Ecoener-ES0105548004" target="_blank">BME:ENER</a>) will start construction of 50 MW of solar photovoltaic capacity in Panama in September, chairman Luis de Valdivia announced on Thursday at the company's general shareholders’ meeting.