Contra Costa Times: Some $500 million in investment and production tax credits will expire Dec. 31 unless Congress renews them. Without that help, solar and wind power companies say they will reverse planned expansions and, in many cases, cut payrolls and capital investment. Schott Solar has visions of quadrupling its operation in Albuquerque, N.M., to reach 1,500 jobs and $500 million in investment. But the investment tax credit, company spokesman Brian Lynch said, is what makes solar power …