BARRELA StenJaan Group enterprise

Energy, shifted in time.

Storage across every duration and technology class — balancing grids, firming renewables and turning intermittent generation into dispatchable power.

The right storage for every duration.

  1. Seconds

    BESS · frequency response

  2. Hours

    BESS · thermal

  3. Days

    Pumped · molten salt

  4. Weeks

    Pumped hydro · seasonal

Seconds → hours

Battery Storage

LFP battery energy storage via group company Halix Bharat — grid-scale, industrial and commercial systems for frequency response, peak shaving, capacity markets and renewable firming. Part of the Lithium Valley India initiative.

  • Grid-scale BESS
  • C&I behind-the-meter systems
  • LFP cells & battery packs
  • EMS & dispatch software
  • Frequency & ancillary services
  • Augmentation & recycling
Engineering scope

Hours → days

Pumped Storage

Gigawatt-scale pumped-storage hydropower — the proven workhorse of long-duration storage. Greenfield and off-river closed-loop projects engineered for 80+ year asset life and daily deep cycling.

  • Greenfield PSP development
  • Off-river closed-loop schemes
  • Variable-speed pump turbines
  • Civil & E&M packages
  • Grid & market integration
Engineering scope

Hours → weeks

Thermal & Molten Salt

Molten-salt and solid-media heat storage with CSP integration for 8–12 hour dispatchable energy — coupling cheap renewable electrons with industrial heat demand, process steam and district energy.

  • Molten-salt systems
  • CSP integration
  • Industrial steam & heat supply
  • Power-to-heat conversion
  • District heating & cooling
Engineering scope

Flexible / portfolio

Integrated Energy Storage

Storage-as-a-service across all technology classes: portfolio sizing, technology selection, dispatch optimisation and energy-market participation — one contract, the right storage for every application.

  • Storage-as-a-service contracts
  • Technology selection studies
  • Dispatch & revenue optimisation
  • Market bidding & trading
  • Hybrid plant orchestration

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