According in example sentence
The results buck “the conventional wisdom that renewable energy is too unreliable and expensive,” says Kempton.“For example,” according to Budischak, “using hydrogen for storage, we can run an electric system that today would meet a need of 72 gigawatts, 99.9 % of the time, using 17 GW of solar, 68 GW of offshore wind, and 115 GW of inland wind.”