State electricity firm Perusahaan Listrik Negara (PLN) has last week signed contracts for eight projects valuing for Rp7.2 trillion. The projects consist of engineering, procurement, construction (EPC) power plant with capacity of 735.5 megawatts (MW) valuing for Rp6.28 trillion and transmission project for 246 circuit km connecting Tayan Regency to Sekadau in West Kalimantan with value of Rp299 billion.