Installation of a solar farm and battery storage facility with associated infrastructure on land at Barleylands, South of Great Burstead on Land West of Southend Road (A129) and South East of Coxes Farm Road, Billericay; and installation of underground cabling from proposed solar farm along A129 (London Road/Southend Road, Wickford) to eastern borough boundary to link to Rayleigh Main Substation, Rawreth