T: 01772 361010 F: 01772 361012

info@sustainableenergysystems.co.uk

Brook House Buildings, Hall Lane, Great Eccleston, Preston, PR3 0XN

For further details about our company and the services we offer please visit:

www.sustainableenergysystems.co.uk

The immerSUN T1060 is a ‘state of the art’

energy saving device. It helps you to

self-consume the green energy produced

by your microgeneration system and is

compatible with all renewable generation

technologies, including solar PV and wind

turbines. The device is essentially an

automatic power controller that diverts

surplus power to a designated load,

normally a hot water heater, to save

energy and minimise your utility bills. This

controller really is the perfect addition to

any PV or wind turbine installation.

BENEFITS OF USING AN IMMERSUN UNIT

Use your free electricity when you're out Speedy payback

Increase your return on investment Accurate data monitoring

A solar controller that is simple to install

Use your free energy and still get paid

Higher efficiency reduces your energy bills

Built-in hot water timer with added Boost function

IMMERSUN RETROFIT: Smart energy management in the home

CASE STUDY: Haslingden, Lancashire

Sustainable Energy Systems Ltd installed an

Evance R9000 5kW wind turbine at the site in

2012. We also retrofit an immerSUN which is a

perfect accompaniment to the wind turbine as

it diverts surplus electricity into the customers

towel warmers via a bespoke domestic water

heating system. The immerSUN monitors the

electricity produced by the wind turbine and

minimises the amount exported to the grid by

diverting it automatically. It is a really smart

method of self-consumption which saves

money associated with heating water. It also

measures and records the savings made and

the display lets us view the daily, weekly,

monthly, annual and total savings.

FACTS & FIGURES

Wind turbine average annual energy production (AEP) = 10,500 kWh

Average purchase price of electricity = 16p per kWh

immerSUN average diversion figures and savings:

Monthly = 349.8 kWh (£55.97)

Yearly = 4,197.5 kWh (£671.60)

Proportion of wind turbine AEP diverted by immerSUN = 40%

“The immerSUN was simple to install and is

recommended as a really effective way to

use the spare power from your wind turbine

or solar PV system. We see figures of

11.5kWh going into the hot water on a

typical day, effecting an impressive

payback and we are making significant

savings thanks to the immerSUN. It is a

fantastic piece of equipment, we are really

impressed with the results and recommend

the immerSUN and Sustainable Energy

Systems Ltd.”

Mr Mark Allcock, Haslingden

CASE STUDY: Sustainable Energy Systems Ltd, Great Eccleston CASE STUDY: Little Eccleston, Lancashire

Committed to embracing sustainable

solutions, we have installed three

immerSUN devices across the

three-phase supply at our office to

boost self-consumption of the energy

generated from our 20kW solar PV

system. These make the most of the

surplus energy which remains from

the PV system once the office’s

electrical demands are met, by

diverting the surplus energy to

immersion heaters, rather than

export the energy to the grid. The

immerSUN devices effectively turn

the solar PV system into a solar hot

water system when the office is not

using all of the generated electricity.

This provides heating which reduces

our energy bills as we are not

purchasing as much energy from the

supplier.

FACTS & FIGURES

Solar PV system average annual energy production (AEP) = 13,700 kWh

Average purchase price of electricity = 13.5p per kWh

immerSUN average diversion figures and savings:

Monthly = 326.7 kWh (£44.10)

Yearly = 3,920.1 kWh (£529.21)

Proportion of PV AEP diverted by immerSUN = 29%

“Sustainable Energy Systems Ltd has invested in installing immerSUN units at our own

premises following a review of a significant number of the competitive products on the

market. The immerSUN unit is well-suited for our office and warehouse premises. The

unit has proven to be extremely efficient at diverting the unused electricity generated

by the solar panels. The excess power is delivered to a buffer store built into our ground

source heat pump system. The power supplies a three phase immersion heater and the

heat generated is distributed to the underfloor heating and office radiators. All the

energy is utilised which results in large savings. In the last two years the immerSUN units

have diverted over 7,000kWh, creating a saving of over £800 to the business.”

Mr Jon Kemp, Sustainable Energy Systems Ltd (Great Eccleston)

In 2011, Sustainable Energy Systems Ltd

installed a 4kW solar PV system comprised

of three ground mounted arrays which

provides energy to power the customer’s

farmhouse. An immerSUN was installed in

2014 in order to maximise the

self-consumption of the electricity

generated by the PV system. The

immerSUN automatically directs any

excess generated electric which is not

used by the house to the immersion heater

in the water cylinder, supplying the

property with hot water at minimal cost.

The customer benefits from the installation

as they are able to use their ‘free’

electricity when they are away from home

and can use up to 100% of their generated

electricity whilst still receiving the FIT

revenue for the 50% deemed export.

FACTS & FIGURES

Solar PV system average annual energy production (AEP) = 4,170 kWh

Average purchase price of gas = 4p per kWh

immerSUN average diversion figures and savings:

Monthly = 134.1 kWh (£13.07)

Yearly = 1,609.7 kWh (£64.36)

Proportion of PV AEP diverted by immerSUN = 39%

“The immerSUN was recommended and installed by Sustainable Energy Systems Ltd as

a very effective way of utilising electricity product from my 4kw solar PV array,

especially during periods when at work. As the tank is quite large (330 litres) this is an

ideal medium to store the energy produced. I have been very pleased with the results

as an average of 1,609kWh of electricity has been diverted to the heating of hot water

per year. This has resulted in the gas boiler being used less for the heating of hot water.

The unit is very simple to use and once set up gives useful information in relation to

electricity diverted and savings made. I would recommend one of these units especially

if you feel you are not fully benefiting from the electricity being produced by your wind

turbine or PV array.”

Mr Rick Brown, Little Eccleston