Ofgem confirms deep cuts to Triad payments

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Ofgem has confirmed that it will implement steep cuts to small generators’ Triad payments. The regulator suggested its move would save consumers billions in the longer term.

The changes come as part of a larger overhaul of network charging. Ofgem’s review of embedded benefits – the rates of charges and rewards for distribution connected generators – found that one benefit in particular was distorting the market and affecting other policies, chiefly the capacity mechanism.

The so-called demand TNUoS residual (or Triad payment), meant smaller generators could earn £45/kW by exporting at times of system stress. Ofgem said that figure would rise to £70/kW by 2020/21. With that increasing revenue stream ‘banked’, small generators could bid low in the capacity market, undercutting other forms of generation, such as large new thermal gas plant.

Ofgem originally planned to take the Triad payment down to less than £2/kW. The regulator said following consultation with industry, it will take it to between £3/kW and £7/kW over three years from 2018-21.

Cutting the Triad payment will likely increase the outturn of the capacity market. That may lead to some large new gas plants being built, but may also provide a windfall for the UK’s existing fleet of large thermal generators.

Small generators with capacity market contracts secured in 2014 and 2015, before the charging review was announced, and whose revenues will be significantly lower than they anticipated when bidding, will now consider their options.

Responding to the decision, Association for Decentralised Energy director Tim Rotheray said:

“We are disappointed that the much larger national benefits that small generators deliver by reducing use of transmission networks remain unexamined, and Ofgem’s new review must investigate how lowering use of the transmission network can save consumers money over the long term.

“The decision does not address the heart of the issue, which is Ofgem’s approval for the rapid rise in the cost of the transmission network from £943 million in 2007 to £3.7 billion in 2021.”

See Ofgem’s decision letter here.

Related stories:

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Half of small generators could give up capacity market contracts due to Triad cuts

Ofgem publishes research data behind proposed Triad cuts

Ofgem outlines deep cuts to Triad payments

Ofgem consults on major networks charging review

We need to talk about Triad

National Grid confirms Triad dates

Is Triad past its peak?

Ofgem: Energy flexibility will become more valuable than energy efficiency

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