A system architecture and method for energy industry trading and transaction management includes a business logic server-based layer and a database layer. The business logic server-based layer includes a parameter-based configuration of at least one business logic service. The business logic service is configurable to enable a deployment of the system to be compatible with a respective business practice of at least one client customer. The at least one business logic service is configured to support energy trading and transaction management and to utilize business rules operable on an event basis for processing via an API at least one of energy trading and transaction management data, including data specific to the at least one client customer. The database layer operatively connects to the business logic layer for storing the data processed by the business logic layer in a database.