You may have seen a news article recently about the plans for a power station built on land adjacent to RSPB Saltholme. Over the past 10 years, we have, with the support of landowners Teesside Environmental Trust, created a haven for nature in the heart of one of the UK’s most industrialised areas. Here are some of the facts relating to this proposed development:
A planning application for a gas peaking plant has been granted by Stockton Borough Council (with some amendments still to be decided), that will be built on land adjacent to RSPB Saltholme. This is not an RSPB development, but a proposal by Statera Energy, a UK-based energy company. The development is not a large power station but a small peaking plant that only starts up to fill gaps in the electricity needed for the National Grid. A gas peaking plant uses compressed natural gas to generate power at peak times when there is a high demand for electricity. For example at half time during an FA cup final when everyone goes to make a cup of tea. If you could liken it to a back up generator for a hospital that kicks in when there is a need due to a power cut – the peaking plant can be viewed as a back up for the National Grid to provide a quick response and a more carbon efficient response to a power shortage for the grid should there be less wind or sun therefore the grid needing a top up.
The size of the peaking plant covers approximately 4 ha or around 4 football pitches, whereas an actual power station is in the region of 40ha or 40 football pitches. The actual building size housing the gas engines is only around 75m x 30m (around ¼ of a football pitch) similar in size to the adjacent sub-station building (though lower in height).
Why aren’t the RSPB fighting this development and what exactly is being proposed?
As the UK continues the transition towards a low carbon economy, renewable energy is ever more prominent as the lowest cost, cleanest form of electricity generation. But with a higher proportion of our energy sourced from renewables, it is becoming increasingly challenging to balance the UK grid and keep the lights on, particularly when there is little wind or during times of peak demand.
During the transition period of starting to use more renewable energy there will be periods when there is a gap in the supply and demand, typically at peak evening and morning activity times.
Currently, this extra demand is supplied by large gas turbine power stations running at low load, which when used like this are very inefficient and have a relatively high carbon footprint as they take a long time to start and stop when the extra electricity may only be needed for a very short time. In contrast, modern, gas reciprocating engines like the ones proposed at Saltholme, are far more efficient and produce a lot less carbon as they can be started and stopped very quickly. It has been estimated that using one of these peaking plants to provide the peak demand cover in place of a big gas turbine power station could cut carbon emissions by the equivalent of 10,000 cars annually.
Although the RSPB is fundamentally against the further use of fossil fuels for providing our country’s base load electricity generation, this type of facility could actually help reduce carbon emissions during the period of transition towards a true low carbon, renewable energy economy by reducing the amount of gas used by large inefficient powerplants designed to be running at full power being used as a stop start backup.
If anyone would like any further information about this proposed development, please do contact the reserve on 01642 546625 or email@example.com.
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