Short answer, they are different, but deeply connected.
Jyotirlingas are 12 holy shrines of Lord Shiva, self-manifested pillars of divine light.
Shakti Peethas are 51 powerful goddess sites, each marking a spot where Goddess Sati's body parts fell after Lord Vishnu used his Sudarshana Chakra to free Lord Shiva from grief.
Maharashtra is home to 5 Jyotirlingas: Trimbakeshwar, Bhimashankar, Aundha Nagnath, Parli Vaijnath, and Grishneshwar all Shiva temples.
Maharashtra also has 3½ Shakti Peethas Maha
