Energy Storage
& Microgrid
Case Studies

Comprehensive Development, Deployment, and Optimisation

Grid Resiliency through Intelligent Photovoltaics and Storage (GRIPS)

Location: Kathmandu, Nepal

Commissioned:  December 2023

This Innovate UK-funded project was dedicated to improving access to clean, reliable energy in Nepal. By enhancing electricity supply reliability and increasing the integration of renewable energy, the GRIPS initiative aimed to reduce pollution and stimulate economic growth. HiT Power contributed an advanced inverter and static switch, which enabled the creation of a microgrid capable of automatically disconnecting from the main grid during faults and seamlessly reconnecting once issues were resolved. This setup ensured a continuous power supply to critical local loads on the microgrid, regardless of grid conditions.

Since its deployment in December 2023, our microgrid effectively provided uninterrupted electricity to a block of 20 residential apartments, demonstrating the effectiveness of our innovative inverter and static switch technology.

The Royal Mint

Location: The Royal Mint, Llantrisant, Wales, UK         

Commissioned: June 2023

The Royal Mint, the United Kingdom’s official maker of British coins and its oldest company, installed our 400kW inverters and battery energy storage system alongside a 2 MW combined heat and power (CHP) unit. The CHP was designed to follow the site’s load and minimise power imported from the grid. However, the site’s load often changed more rapidly than the CHP could respond. When the load dropped quickly, the CHP engine would reduce its output, but this adjustment took time. During this period, excess power could have been exported to the grid—a scenario not permitted at this site, potentially leading to system shutdowns. Our inverters, managed by our energy management system (EMS), ensured that any excess power was immediately directed to the battery. Thanks to the fast response of our inverter technology, no power was exported to the grid. This solution also featured a dual chemistry battery energy storage system (BESS).

Advanced multi-energy management and optimisation time shifting platform (ADEPT)

Location: GS Yuasa factory, Ebbw Vale, South Wales, UK

Commissioned: October 2018

We supplied one of our 100kW inverters (PS100) to the ADEPT project in Ebbw Vale, Wales. The project was developed by Infinite Renewables in partnership with GS Yuasa Batteries, Sheffield University, and Swanbarton, with support from a £500k Innovate UK grant. Our PS100 inverter served as the central component in the containerised system, managing the flow of power between the grid and the battery. It communicated with an Energy Management System to optimise the use of locally installed wind turbines and enabled time shifting by charging the battery during low tariff periods and discharging it during peak times

Socio-technical assessment for resilient electricity networks in rural Africa – STARENA

Location: Johannesburg, South Africa

Commissioned: September 2024

This project sought to enhance rural energy access in South Africa by integrating social factors with advanced grid control technologies in solar and grid connection initiatives. Many rural communities faced either no grid access or unreliable electricity, hindering economic development. HiT Power supplied a 100kW inverter, static switch, and energy management system, providing uninterruptible power for a block of 26 apartments. The successful pilot demonstrated the value of advanced grid control and social Due Diligence, paving the way for more resilient and inclusive renewable energy projects across South Africa.

Port Energy Systems Optimisation PESO

Location: Portsmouth International Port, Portsmouth, UK

Commissioned: June 2020

Our PS100 Power Electronic inverter played a central role in the PESO (Port Energy Systems Optimisation) project, which demonstrated how ports can leverage smart grid technology and energy storage to decarbonise operations and improve air quality more cost-effectively. The inverter connected a GS Yuasa dual-chemistry battery to the grid, forming a key part of the integrated Energy Storage System. HiT Power and GS Yuasa collaborated closely to deliver this solution for Portsmouth International Port. Co-funded by Innovate UK, the project showed that port infrastructure can meet the UK Government’s ‘Clean Maritime Plan’ objectives in a cost-effective way.

Generation Storage Consumption Supply (GSCS)

Location: GS Yuasa factory, Ebbw Vale, South Wales, UK

Commissioned:  June 2021

The Generation Storage Consumption Supply (GSCS) Project was led by Infinite Renewable and funded by the European Regional Development Fund (ERDF), which allocated £8.9 million to support the development of innovative Local Energy Centres. Our 100kW inverter was used as a central component in one of these centres, located at the Yuasa factory in Ebbw Vale, enabling efficient integration and management of renewable energy on site. These centres provided local industry with access to low-cost, green power without any capital outlay and were designed for future rollout across the UK. The project offered businesses the opportunity to purchase cheaper, greener electricity from renewable sources.

Sensorless Variable Speed Motor Drive, Start-up Company

Location: London, UK

We partnered with a start-up company to design and build the high‑speed motor drive that powers their flywheel energy storage system, supporting the team end‑to‑end from early requirements capture and architecture through power electronics and control firmware design, safety, rapid prototyping, hardware‑in‑the‑loop validation, commissioning, and on‑rig/high‑speed testing.  Our engagement continues today with ongoing performance refinement, reliability engineering, and certification support as the product advances toward broader deployment.

Battery-Fuel cell hybrid energy system

Location: Penryn, UK

We designed and built a hybrid energy storage system that couples a lithium-ion battery pack with a proton exchange membrane (PEM) fuel cell to deliver both high power responsiveness and extended endurance. The system was integrated with a programmable dynamometer to emulate the propulsion load profile of a small vessel, including transient thrust demands, cruising conditions, and regenerative events. 

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