; and (B) the United States should increase substantially the capacity and generation of clean, renewable hydropower resources that would improve environmental quality in the United States. (2) Modifying definition of renewable energy to include hydropower Section 203 of the Energy Policy Act of 2005 ( 42 U.S.C. 15852 ) is amended— (A) in subsection (a), by striking the following amounts and all that follows through paragraph (3) and inserting not less than 15 percent in fiscal year 2018 and each fiscal year thereafter shall be renewable energy. ; and (B) in subsection (b), by striking paragraph (2) and inserting the following: (2) Renewable energy The term renewable energy means energy produced from solar, wind, biomass, landfill gas, ocean (including tidal, wave, current, and thermal), geothermal, municipal solid waste, or hydropower. . (3) Licenses for construction Section 4(e) of the Federal Power Act ( 16 U.S.C. 797(e) ) is amended in the first sentence by striking deem in the first proviso and all that follows through Provided further , That no license in the second proviso and inserting determine to be necessary for the adequate protection and utilization of such reservation: Provided further , That no license . (4) Preliminary permits Section 5 of the Federal Power Act ( 16 U.S.C. 798 ) is amended— (A) in subsection (a), by striking three and inserting 4 ; and (B) in subsection (b)— (i) by striking Commission may extend the period of a preliminary permit once for not more than 2 additional years beyond the 3 years and inserting the following: Commission may— (1) extend the period of a preliminary permit once for not more than 4 additional years beyond the 4 years ; (ii) by striking the period at the end and inserting ; and