sustainable development

(nonchemical) water filtration processes that further reduced energy consumption and the need for chemicals. The primary focus was to develop a

modular heating system that could be replicated across all phases of the project. For the first phase of the project - the initial 50 floating lodges - GTE has designed a district heating system comprising two energy centres, each with two bespoke, US built heat pumps servicing 25 lodges. Installing two, rather than a single energy centre, enables the use of smaller, more thermally efficient and cost-effective pipework, with the option to switch off one energy centre during times of low occupancy. As the height of the lodges alters

throughout the course of the year, this had to be taken into account in the design of the pipework and it is believed to be one of the first ‘floating’ district heating systems in Europe. GTE’s partner company, Immersa, are

installing Solar PV on each lodge which feeds into an AutarSys intelligent battery storage system, in turn powering the GTE energy centres whilst meeting the electrical demand of the lodges. This combined use of heat pumps, solar

PV, and intelligent battery storage ensures minimal dependency on external energy sources for the site. On the water filtration side, a highly

efficient Next Scale Stop system is being installed by GTE prior to the heat pumps, removing the issue of limescale from the rest of the system and ensuring the longevity of the equipment. A Next Sand filter is being used after

the water has passed through the heat pumps, creating potable water for all of the lodges from the lake water, significantly reducing the costs of having to bring in a fresh water supply. GTE is also using latest generation Next

Quantum Disinfection which provides an extremely cost-effective and ecologically sound alternative to traditional chlorine and chemical based cleaning for the lodge hot tubs. This will save having to refresh and reheat thousands of litres of chlorinated water every week whilst simultaneously improving guest comfort. Additionally, GTE is ensuring the project

achieves the maximum available RHI (Renewable Heat Incentive) tariffs and is directly handling the Ofgem application,

which will help pay for the system over the course of the next 20 years. Such an innovative renewable heating

system coupled with highly efficient and ecologically sound water solutions will mean minimal running costs and environmental impact for the development.


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