Flywheel energy storage project investment returns

What is a flywheel energy storage system?

Flywheel energy storage is a mechanical energy storage system that utilizes the kinetic energy of a rotating mass, or flywheel, to store and release energy. Flywheels store energy by spinning a heavy rotor at high speeds. When excess electricity is available, the motor accelerates the flywheel, converting electrical energy into kinetic energy.

Can flywheel energy storage be commercially viable?

This project explored flywheel energy storage R&D to reach commercial viability for utility scale energy storage. This required advancing the design, manufacturing capability, system cost, storage capacity, efficiency, reliability, safety, and system level operation of flywheel energy storage technology.

How can flywheels be more competitive to batteries?

The use of new materials and compact designs will increase the specific energy and energy density to make flywheels more competitive to batteries. Other opportunities are new applications in energy harvest, hybrid energy systems, and flywheel’s secondary functionality apart from energy storage.

What is flywheel/kinetic energy storage system (fess)?

and high power quality such as fast response and voltage stability, the flywheel/kinetic energy storage system (FESS) is gaining attention recently. There is noticeable progress in FESS, especially in utility, large-scale deployment for the electrical grid, and renewable energy applications. This paper gives a review of the recent

What is a flywheel & how does it work?

A flywheel is a “mechanical battery” that stores kinetic or moving energy. The basic concept of a spinning mass is well-established and is found in many mechanical systems such as automotive engines.

Can flywheels save energy?

Installing 100 MW’s worth of flywheels used for distribution can reduce demand charges by $36 million and provide $8 million of energy savings a year since the FESS can eliminate mid-day peak and evening peaks of electricity use. Lithium battery technology can only do one peak reduction a day.