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Why thermal storage

Create flexibility between energy supply and heat demand

Thermal storage can create value when energy is available at a different time from when useful heat is required.

01

Shift energy in time

Charge the thermal reserve when energy is available and deliver heat later when the site needs it.

02

Reduce peak exposure

Separate part of the thermal demand from immediate electrical demand and create more flexibility around site constraints.

03

Use more available energy

Increase the usefulness of renewable electricity or recoverable heat that might otherwise be poorly timed or underused.

Applications

Start where thermal flexibility solves a measurable site problem

ThermoReserve is currently focused on commercial buildings and real estate, with industrial process heat and local energy systems as expansion pathways.

Current market focus

Commercial buildings & real estate

Thermal flexibility for properties with significant heating demand, renewable generation, electrification pressure or peak-power exposure.

  • Commercial properties and portfolios
  • Institutional and public buildings
  • Sites with PV, heat pumps or growing electrical loads
Expansion pathway

Industrial & process heat

High-temperature storage can support selected industrial duties where electricity, recovered heat and thermal demand are not aligned in time.

  • Process and utility heat
  • Electricity-to-heat shifting
  • Recovered-heat utilisation
System-scale pathway

Local & district energy

A longer-term pathway for multi-building, campus and local energy systems where thermal reserves can support coordinated operation.

  • Local energy systems
  • Campus and multi-building applications
  • District heating and cooling pathways

The platform

Engineered from core to connection

ThermoReserve is more than a storage medium or insulated vessel. The product combines the storage core, thermal containment, charging, heat transfer, sensing, control and site interfaces in one configurable architecture.

The configuration follows the thermal duty: temperature, capacity, power, duration and connection requirements.

Varis Commercial Building FlexHub in Gothenburg, ThermoReserve Reference Pilot 01
Reference Pilot 01 · Active

Real-world validation

Validating the building pathway in Gothenburg

ThermoReserve’s first reference pilot is being developed at the Varis Commercial Building FlexHub, a real commercial property in Gothenburg.

The thermal-storage unit is progressing from stand-alone product testing toward building integration, with the pilot designed to generate measured evidence on thermal performance, control behaviour, site integration and replication learning.

Knowledge

Practical guidance for evaluating thermal energy storage

Start with the thermal service, operating conditions and evidence required, then determine whether storage is the right solution.

What is Thermal Energy Storage?

A practical introduction to how thermal energy storage works, what it stores and where it can create value.

Read the article →

How to Specify a Thermal Energy Storage System

The key parameters that define a credible TES system, including temperature, capacity, power, duration and interfaces.

Read the article →

Is Thermal Energy Storage Suitable for Your Site?

A screening guide covering thermal demand, temperature, timing, utilisation, integration and measurable value.

Read the article →

Start with the application

Could thermal storage strengthen your energy system?

If your site has meaningful thermal demand, a timing mismatch between available energy and heat use, and a measurable reason to create flexibility, it may be worth evaluating.

Contact ThermoReserve

Discuss a thermal-storage application, pilot or partnership

We welcome focused dialogue with property owners, industrial energy users, technical partners, investors and organisations evaluating practical thermal-energy-storage opportunities.

Contact

Get in touch with ThermoReserve

ThermoReserve AB
Hildedalsgatan 18, 417 05 Gothenburg, Sweden

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