Rotaheat's use in renewable energy generation

Rotaheat's use in renewable energy generation

Renewable Heat Generation

Options to decarbonising energy are limited when the need is low carbon heat.

Renewable heat generation is often expected to mean low carbon electricity.  Converting renewable electricity to heat is both inefficient and expensive.

There is no single fix or solution to decarbonising heat: improving building energy efficiency, electrification of heat and increased use of district heating – all have the potential to contribute to the reduction of carbon production associated with heat.

A comprehensive approach to the challenge of decarbonisation of heat requires an open minded and inclusive approach to:

  • energy harvesting,
  • conversion, and
  • storage

Rotaheat’s technology delivers unbeatable conversion efficiency of input energy into usable heat and can now be considered as part of a renewable heat solution.

Rotaheat’s technology takes simple shaft driven input energy (motive power) and converts the power direct to heat.  Instead of a wind turbine or waterwheel generating low-carbon electricity, the site efficiently generates zero emission heat.

A Rotaheater generates thermal energy (heat), simply and more efficiently than the alternatives at a lower cost than traditional alternatives as part of this future energy mix.

Simple, clean renewable heat has a huge potential variety of uses:

Space Heating for:

  • homes and estates
  • farms
    • animal husbandry
    • crop development
  • industrial premises

Hot Fluid for:

  • domestic
  • industry
    • processing
    • cleaning
  • energy storage /distribution

Rotaheat economics are such that install cost and increases in efficiency can render otherwise uneconomic projects viable.

Rotaheat's use in renewable energy generation:

Rotaheaters are ideally suited to delivering clean renewable heat

Rotaheaters produce heat with every rotation

Rotaheaters are robust, simple and easy to install

Rotaheaters are capable of taking a wide variety of input energy drivers

Rotaheaters require a minimal level of external infrastructure: input motive power and a fluid circuit

Rotaheaters are capable of delivering meaningful temperatures in excess of 100°C

Case Study:
Space & Water Heating

The Rotaheater provides a cost effective space and water heating solution for domestic, industrial and agricultural premises which do not have access to low-cost mains gas and are consequently forced to import highly expensive alternatives like heating oil or liquefied gas.

Rotaheat can deliver highly efficient conversion of wind or water power directly in to heat without the need for expensive voltage conditioning electronics or uprated electric grid connection.

Because renewable energy can be intermittent, however, Rotaheat solutions do not require the removal of existing systems, rather they complement them, providing heat when available and allowing traditional solutions to step in when it isn’t thereby allowing clients to benefit from cost savings when available whilst maintaining a standby capability.

At a Farm in Derbyshire, a 10kW Rotaheater is connected to a water-wheel to produce heat to a domestic radiator solution whilst sitting alongside an electrical generation capability.

When required the Rotaheater delivers heat to the premises, when not the farm switches over to the production of electricity for domestic consumption and export to the grid.

Rotaheat regularly conducts Open Days at a working UK demonstration site.  Open Days provide an excellent opportunity to feel the heat generated by a Rotaheater Pico in an operational environment.

If you would like to receive an invitation to a future event, please complete this contact form.


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