Chandrasekaran, K.Punekar, G.S.2026-02-0620112011 International Conference on Power and Energy Systems, ICPS 2011, 2011, Vol., , p. -https://doi.org/10.1109/ICPES.2011.6156640https://idr.nitk.ac.in/handle/123456789/33000Lightning generated horizontal electric field above the ground have been computed and reported for a typical height of 10 m (above the ground plane), at a radial distance of 750 m from the striking point. The results are presented for typical first and subsequent return strokes of lightning involving two cases, (i) perfectly conducting ground (ii) finitely conducting ground (ω <inf>g</inf>=0.0001 S/m). The ground conductivity effects on the horizontal electric field components (static, induction and radiation) are studied. A comparison is made on the basis of computed results with typical first and subsequent strokes. © 2011 IEEE.groundconductivityLightningreturn strokes