This study uses a systematic review based on the PRISMA methodology to identify four main categories affecting performance: technological, environmental, design and installation, and operational factors. . Solar energy can be harnessed two primary ways: photovoltaics (PVs) are semiconductors that generate electricity directly from sunlight, while solar thermal technologies use sunlight to heat water for domestic uses, to warm buildings, or heat fluids to drive electricity-generating turbines. Solar. . Balance-of-system efficiency; typically, 80% to 90%, but stipulated based on published inverter efficiency and other system details such as wiring losses. Energy Ratio, total measured production divided by total model production, thus considering the effects of both Availability and Performance. . The share of electricity in the total energy mix will more than double to 45% by 2050. Renewable energy, led by solar photovoltaic (PV), will supply that growth and replace much of today's fossil-fuel generated electricity. The powerful economies of scale in PV are likely to see. . Grid-scale solar developments (GSSD) (also called utility-scale solar) are often called "solar arrays. " They normally consist of about one hundred to several thousand acres of ground-mounted solar panels that produce electricity for transmission into the power grid for use off-site. By end of 2022, cumulative global solar photovoltaic. .