In renewable energy: the subdivision of the Philippines, for purposes of RE Applications for wind, geothermal and ocean resources, into RE meridional blocks (RE blocks) of thirty (30) seconds of latitude and thirty (30) seconds of longitude using the Philippine Reference System of 1992 (PRS’92) as the standard reference system. One (1) RE block shall have an approximate area of eighty-one (81) hectares. Each block shall have a unique number designated by the DOE [Section 3.2, DOE Department Circular No. DC2024-06-0018, Revised Omnibus Guidelines Governing the Award and Administration of Renewable Energy Contracts and the Registration of Renewable Energy Developers]