KUALA LUMPUR: Tenaga Nasional Bhd (TNB) and its wholly-owned subsidiary, GSPARX Sdn Bhd, have signed a supply agreement for renewable energy with Aeon Co (M) Bhd for the installation of solar photovoltaic (PV) facilities at all Aeon Malls and Aeon BiG nationwide. Under the agreement, GSPARX will install and maintain a 77,000-kilowatt peak (kWp) PV system at the Aeon ecosystem for 25 years.