ESCO is a company that provides integrated energy services to its customers, provides performance and savings guarantees, and its remuneration is directly tied to the energy savings achieved. Therefore, an ESCO risks its payments on the performance of equipment and services implemented.
The typical ESCO project includes the following elements:
While the ESCO shall ensure all the above actions, the ESCO is not necessarily responsible for all of them. Some actions can be subcontracted; however, the ESCO has to ensure the results and project implementation. Some experts have compared the role of the ESCO to the architect in new property development: the architect has to define the project, select the engineering firm, supervise the building construction, obtain the permits, etc.
The financing of the project is ensured through two main types of contracts: Guaranteed Savings and Shared Savings. In the shared saving contract, the ESCO assumes the performance and credit risk; in the guaranteed savings contract, the client assumes the credit risk, while the ESCO assumes the risk for the savings.
ESCOs generally act as project developers for a wide range of tasks and assume the technical and performance risk associated with the project. Typically they offer the following services: