New Delhi, April 7 -- As the backlog of unsigned power purchase agreements (PPAs) for renewable power piles up, the Union ministry of new and renewable energy is making efforts to get states to sign PPAs and power sale agreements.

The Centre has already contacted states urging them to accelerate the signing of PPAs, and Union minister for new and renewable energy Pralhad Joshi is set to meet with chief ministers one-on-one on the issues of unsigned PPAs, said two people close to the development.

One of them said the ministry's recent monthly meetings with power generators and other stakeholders have also focused on the issue, with several proposals being put forth, including getting prior commitments from states for PPAs before coming u...