VRFB energy storage tender price in South Africa 2026

What are South Africa's battery storage tenders?

South Africa’s battery storage tenders mark a pivotal moment in the country’s transition to a more sustainable energy future. The three tenders launched by the DMRE and Eskom are set to significantly increase the country’s battery energy storage capacity, reduce carbon emissions, and stimulate economic growth.

What does VRFB stand for?

* Early stage potential from South African customers, as part of the expected 30GWh deployment of BESS across South Africa over the next 10 years. The Vanadium Redox Flow Battery (VRFB) is the simplest and most widely deployed flow battery.

What is VRFB technology?

Over its 20+ year lifespan, VRFB technology offers the lowest cost per kWh stored (LCOE). The working fluid of the battery is water based and as such is totally non flammable. The vanadium chemistry of the battery is fully reusable and recyclable at the end of project life.

Why should South Africa Invest in battery storage?

As South Africa grapples with the challenge of meeting its growing energy demands while transitioning to cleaner energy sources, Eskom’s initiatives in battery storage are critical for ensuring grid stability and reducing reliance on coal-fired power plants.

How long does a VRFB system last?

The performance of the system remains constant throughout its life with minimal maintenance. Over its 20+ year lifespan, VRFB technology offers the lowest cost per kWh stored (LCOE).