BEIJING (AFX-ASIA) – China will invest 80 billion yuan to upgrade the country’s county-level power grids over the next two years, with an initial 33.4 bln yuan to be invested this year alone, China Central Television (CCTV) reported, citing the State Power Grid Co. (US$1=8.27 yuan). CCTV said 20% of the 80 billion yuan total…