Why is the concept of election essential in Reformed theology?

In Reformed theology, the concept of election underscores God's total sovereignty over salvation. The belief in election teaches that God predestines individuals for salvation based on His grace alone, which is foundational to understanding God’s character and His Holy Scriptures. This aspect is critical in passages like Romans 9, where Paul discusses God’s choice of Israel and His mercy toward the elect. Recognizing election affirms that salvation is a work of God, dispelling any notions of human ability to earn or contribute to salvation. It provides believers with profound assurance about their security in Christ as they rest in God's unchanging purposes.