The growing demand for decarbonization of the electricity sector and for access to clean energy has driven distributed generation based on renewable sources. Brazil has high solar potential across its entire territory. However, the intermittent nature of this source requires more efficient storage systems. This work proposes and analyzes a solar photovoltaic system coupled to the production and storage of compressed green hydrogen for residential installations. The hybrid system is composed of photovoltaic panels, a proton exchange membrane electrolyzer (PEMEC), a compressor, a compressed hydrogen storage tank, a proton exchange membrane fuel cell (PEMFC), and a natural gas reformer. The photovoltaic surplus produces hydrogen via electrolysis, which is stored and converted back into electricity by the fuel cell during deficit periods; the reformer supplements supply when the inventory is insufficient and, as a last resort, the grid is used. Performance is evaluated for six Brazilian cities Rio de Janeiro, São Paulo, Campo Grande, Porto Alegre, Manaus, and Recife with different solar irradiance and demand profiles. Annual photovoltaic generation ranged from 2,164 to 3,559 kWh/year and hydrogen production from 23.4 to 36.2 kg/year, with arrays of 3 to 7 modules and natural gas fractions between 57 percent and 74 percent. The overall efficiency ranged from 53.6 percent to 59.1 percent, limited by the low round-trip efficiency of the hydrogen route (about 26 percent), which makes natural gas a structural complement. The analysis demonstrates the technical feasibility and the determining influence of local solar resources and demand on system sizing and efficiency.