...Infraestructura Energetica Nova, S. A. B. de C. V. y Subsidiarias' (IEnova) ratings reflect a strong competitive position in the highly regulated energy environment in Mexico (BBB+/Stable). The ratings indicate a solid financial profile, relatively low leverage and stable and predictable cash flow generation supported by long-term, fixed, take or pay agreements with investment grade off takers. IEnova's ratings present a strong liquidity position and support from the primary shareholder, Sempra Energy (BBB+/Stable), the largest natural gas (NG) utility in the U.S., in terms of coverage area and population service, and a major competitor in international markets, particularly Mexico and Peru (BBB+/Stable)....