Aquilon Energy expands in Houston with downtown Esperson lease. The company, based near Chicago, developed the Energy Settlement Network, a cloud-based platform to automate wholesale energy settlements. Reggie Beavan and Evan Roland of Jackson Cooksey represented the tenant. Jano Nixon Kelley of Cameron Management represented the landlord. Colony NorthStar has acquired the Bayou Bend Business Park, 8520 South Sam Houston Parkway West, as part of a national portfolio.