Business operation of solar power generation equipment and facilities for others; business management assistance in the fields of energy and solar power generation; business information services in the fields of energy and solar power generation; marketing and advertising services in the fields of energy and power generation; operating solar power generation facilities for others; business management services relating to new, utility-scale power plants, namely, analysis of the market for new power plants, defining the overall service delivery strategy, analyzing the commercial feasibility of new power plants, selecting and managing power plant contractors and contract engineers for others, developing budgets and tracking costs, and consulting in the field of procuring contracts for the purchase of goods and services; procurement services, namely, purchasing of equipment for power plants for others; commissioning power plants for others; negotiation of contracts for the benefit of others regarding electrical power generation, the purchase of fuel supplies and electrical transmission services; assisting with the formation and negotiation of contracts for the sale of wholesale power; business operation of battery energy storage systems and facilities for others; business management assistance in the field of battery energy storage systems; marketing and advertising services in the field of battery energy storage systems; operating battery energy storage systems for others; procurement services, namely, purchasing of equipment for battery energy storage systems for others; commissioning battery energy storage systems for others; negotiation of contracts for the benefit of others regarding battery energy storage systems; and assisting with the formation and negotiation of contracts for the sale of battery energy storage systems