Under the Jawaharlal Nehru National Solar Mission (JNNSM), out of a total of 159 grid-connected projects with 1,152 MW, 132 projects of 627 MW capacity have been commissioned within their scheduled commissioning date (SCOD), according to governemnt estimates. Installation of only five projects with 32 MW solar PV projects and six projects with 420 MW solar thermal projects have been delayed.
In case of solar PV projects, developers have reported the delays mainly due to local law and order problem and to delays in construction of transmission lines. In case of the solar thermal projects, the main common reason for the delay reported by the developers has been the low direct solar radiation (DNI) levels found by them at the project sites as per actual measurements made after the projects were allotted than those estimated initially, necessitating significant over-sizing of solar collectors field and re-engineering of their plants designs.
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