Fields of Diesel GeneratorsPosted on February 19th, 2016 No comments
Recently, I had a very helpful telephone conversation with somebody I shall call Ben – because that’s his name, obviously, so there’s no point in trying to camoflage that fact. It was a very positive conversation, with lots of personal energy from both parties – just the sort of constructive engagement I like.
Amongst a range of other things, we were batting about ideas for what could constitute a business model or economic case for the development of Renewable Gas production – whether Renewable Hydrogen or Renewable Methane. Our wander through the highways and byways of energy markets and energy policy led us to this sore point – that the National Grid is likely to resort to “fields of diesel generators” for some of its emergency backup for the power grid in the next few years – if new gas-fired power plants don’t get built. Various acronyms you might find in this space include STOR and BM.
Now, diesel is a very dirty fuel – so dirty that it appears to be impossible to build catalytic exhaust filters for diesel road vehicles that meet any of the air pollution standards and keep up fuel consumption performance. It’s not just VW that have had trouble meeting intention with faction – all vehicle manufacturers have difficulties balancing all the requirements demanded of them. Perhaps it’s time to admit that we need to ditch the diesel fuel itself, rather than vainly try to square the circle.
The last thing we really need is diesel being used as the fuel to prop up the thin margins in the power generation network – burned in essentially open cycle plant – incurring dirty emissions and a massive waste of heat energy. Maybe this is where the petrorefiners of Great Britain could provide a Renewable Gas alternative. Building new plant or reconfiguring existing plant for Renewable Gas production would obviously entail capital investment, which would create a premium price on initial operations. However, in the event of the National Grid requiring emergency electricity generation backup, the traded prices for that power would be high – which means that slightly more expensive Renewable Gas could find a niche use which didn’t undermine the normal economics of the market.
If there could be a policy mandate – a requirement that Renewable Gas is used in open cycle grid-balancing generation – for example when the wind dies down and the sun sets – then we could have fields of Renewable Gas generators and keep the overall grid carbon emissions lower than they would otherwise have been.
Both Ben and I enjoyed this concept and shared a cackle or two – a simple narrative that could be adopted very easily if the right people got it.
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