I think that you slipped a decimal point. The mass of a cubic foot of hydrogen is about 0.00236 kg, not 0.000236 [1]. That means that the output power is an ord

I think that you slipped a decimal point. The mass of a cubic foot of hydrogen is about 0.00236 kg, not 0.000236 [1]. That means that the output power is an order of magnitude greater than you calculated -- 173 megawatts. [1] https://microsites.airproducts.com/gasfacts/hydrogen.html https://microsites.airproducts.com/gasfacts/hydrogen.html