The integration of renewable energy sources such as solar and wind can lead to fluctuations in power supply and demand, affecting the frequency and stability of the grid. Traditional generators provide inertia, which helps dampen rapid frequency changes, but renewable sources lack this property. To address these challenges, strategies must be developed to control frequency changes and enhance emergency frequency control. Additionally, adapting under-frequency load shedding schemes for changing load patterns due to distributed photovoltaic systems is crucial. Meeting evolving frequency control needs can be achieved through demand response and non-fossil fuel technologies. Accurate monitoring of inertia, considering both generator and load contributions, is essential. Ensuring the availability of frequency control services during periods of high renewable energy output and planning for reliable regulation FCAS to manage increased variability are vital steps to maintaining grid stability and reliability.