1. Construction, renovation and improvement of power grid operation capacity in Dai Tu district, Thai Nguyen province in 2026; 2. Construction, renovation and improvement of power grid operation capacity in Phu Binh district, Thai Nguyen province in 2026; 3. Construction, renovation and improvement of power grid operation capacity in Tan Thinh Ward, Thinh Dan, Quan Trieu, Thinh Duc Commune, Phan Dinh Phung, Tan Thanh, Thai Nguyen City, Thai Nguyen Province in 2026