Yes, in most cases, solar panels positively impact your EPC rating. Here’s why:

  • They reduce electricity drawn from the grid

  • Lower carbon emissions

  • Improve the overall energy efficiency score

However, the effect can vary depending on the size, efficiency, and installation of the system. A properly installed and documented solar PV system is likely to boost your rating significantly, especially if it meets MCS (Microgeneration Certification Scheme) standards.

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