VIDEO: Automation could reduce labour requirement of BESS manufacturing by c.85%, IPS says

LinkedIn
Twitter
Reddit
Facebook
Email

A new automated facility will need around 85% fewer employees per GWh of annual BESS manufacturing capacity, Bulgaria-based International Power Supply (IPS) said.

Talking to Energy-Storage.news in an interview for ESN Premium last week, IPS CEO Alexander Rangelov claimed the firm’s battery energy storage system (BESS) manufacturing in Bulgaria is the first ‘cell-to-system’ process in Europe.

Its capacity will reach 3GWh of capacity at the end of 2025 and then 4GWh once a new adjoining facility, which recently launched construction, is online. The firm is in the design phase of a larger, automated facility planned for 10GWh of capacity.

The current manufacturing processes requires around 30 employees per GWh of annual capacity. However, the planned 10GWh one will only require 45 employees in total, meaning an 85% reduction in the number of employees per GWh of capacity (from 30 to around 4.5).

This article requires Premium SubscriptionBasic (FREE) Subscription

Try Premium for just $1

  • Full premium access for the first month at only $1
  • Converts to an annual rate after 30 days unless cancelled
  • Cancel anytime during the trial period

Premium Benefits

  • Expert industry analysis and interviews
  • Digital access to PV Tech Power journal
  • Exclusive event discounts

Or get the full Premium subscription right away

Or continue reading this article for free

For the full 30-minute video interview and write-up, read our article on ESN Premium here.

Rangelov also explained that the majority of BESS assembly does not require a specialised workforce.

“The instructions and the workflow and the processes are designed in a simple way so that you you don’t need special mechanical engineers or electrical engineers,” he said.

“The only section or a zone where you need electrical engineering skills is for the final testing because it’s also related to to safety. Working with high voltages and high power always requires a higher grade of skills.”

3 November 2026
Málaga, Spain
Understanding technology and supplier selection for Europe’s utility-scale PV market in 2027. PV ModuleTech Europe 2026 is a two-day conference that tackles these challenges directly, with an agenda that addresses all aspects of PV module, inverter and battery supplier selection; product availability, technology offerings, supply chain traceability, quality assurance, factory auditing, system reliability, and supplier bankability.

Read Next

October 15, 2026
ASL has set a target of 1,500MW of new firming infrastructure in NSW by the end of May 2033 and opened a consultation on the tender.
October 14, 2026
The Illinois Power Agency (IPA) is seeking stakeholder feedback on its summer procurement of 600MW of energy storage projects in the US state, after falling short by 438MW.
October 14, 2026
Alberto Valenzuela discusses ahead of Energy Storage Summit Latin America about Mexico’s growing interest in renewables and energy storage, and the factors driving this growth.
October 14, 2026
DLA Piper finds merchant BESS appeal splits Japan, Singapore and Australia, with regulatory certainty, grid access and returns shaping investor views.
October 13, 2026
US tax equity syndicator Foss & Company has closed a US$58 million partnership flip transaction to finance an energy storage project in Hidalgo County, Texas, developed by GridStor.