Who should maintain the energy storage system?

The energy storage system should be maintained by trained technicians since improper handing increases the risk of electrical shock. For personnel qualifications during the installation and maintenance of stationary batteries, refer to IEEE 1657 - 2018. Safety data sheets should be provided to those operating the system.

What information should be shared with the EPC service provider?

Grid connection technical specifications, often prepared by the local network operator. Network operating conditions to be complied with during the operation phase. Additionally, in case of a specific Power Purchase Agreement (PPA), it is recommended that this information is shared with the EPC service provider.

What makes a good EPC service provider?

Clear and effective communication between the Asset Owner, the EPC service provider and other service providers (and in general, all third parties involved in the project), and constant monitoring of the construction work progress according to the WBS, are key to ensuring full alignment on scope of work, objectives, deliverables, and timing.

What documentation should an EPC service provider include?

If an EPC service provider has already been involved in the design phase, the set of documentation shall include the projects’ buildings, amenities, preliminary studies, quality and testing plans, as well as the method statement, in addition to the layout and equipment specification.

What should an EPC service provider consider before signing a contract?

Prior to signing a contract with a supplier, the EPC service provider should determine the ability of the supplier to consistently deliver products and services that can meet the requirements in sufficient quantities. Alongside this, suppliers’ performance on technical, financial, legal, and social regulation and standards should be assessed.

How much liability does an EPC service provider have?

The EPC service provider’s liability should not exceed 100% of the total price agreed under the EPC contract, with exclusion of any limitation for willful misconduct or gross negligence. The same goes for the Asset Owner but with a cap which is generally lower than the one set for the EPC service provider.