Toledo Blade: Three months after halting construction of a mammoth $3.3 billion coal-fired power plant it had proposed for southern Ohio’s Meigs County, American Municipal Power Inc. is following through with a $2 billion investment in five hydroelectric projects at existing dams along the Ohio River. Seventy-nine of AMP’s 126 member communities have committed themselves financially. Nearly a third of those investors are small and mid-sized communities in northwest Ohio and southeast …