Versions of 42 USC 16236 - Research and development into integrating renewable energy onto the electric grid on LawServer 2024 42 USC 16236 – Research and development into integrating renewable energy onto the electric grid 2023 42 USC 16236 – Research and development into integrating renewable energy onto the electric grid 2022 42 USC 16236 – Research and development into integrating renewable energy onto the electric grid 2021 42 USC 16236 – Research and development into integrating renewable energy onto the electric grid