Tuesday, 19 February 2008


Above is the current schematic of the Off-Grid systems I designed and installed at HomeBrewPower.

At the heart of the installation is a Lister CS 5/1 (Not 3/1) as shown on the diagram that provides the bulk of power and heating, coupled with a large battery cubicle for energy storage. The batteries provide power to the 5KW MSW Inverter that produces 230VAC electricity back to our consumer unit.

Some of the waste heat from the Lister CS coolant circuit is recovered a water to water heat exchanger and then heat from the exhaust is also recovered via a air to water heat exchanger. The hot water is then pumped through insulated underground pipes to our central heating loop to provide heating via radiators.

Our PMDC custom built wind machine provides DC to the battery banks to constantly trickle charge the battery cubicle. We have seen it producing anything from 20W right through to 1200W on a very stormy evening in the UK.

Everything has been built from the ground up and custom made to suit our purposes, including the control installation, battery cubicle, metering, wind turbine & pipework.

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