Hydrogen Generation Market Size Worth $184.11 Billion By 2028: Grand View Research, Inc. SAN FRANCISCO, April 12, 2021 /PRNewswire/ -- The global hydrogen generation market size is expected t o reach USD 184.11 billion by 2028, according to a new report by Grand View Research, Inc. The market is expected to expand at a CAGR of 5.7% from 2021 to 2028. The global energy crisis has fostered research and exploration in alternative sources of energy generation and several sustainable conservation initiatives. Sustainability in energy generation is a vast field and includes numerous steps, which are required to be implemented in the primary stages, as their potential environmental and commercial impacts can be substantial.