Network Operators’ Ownership of Storage DNOs and TSOs CAN own storage. In the 2019 Energy Directive (to which we remain a party at least until the end of the year), any grid operator can request a derogation from their regulator to build and own storage if...

National Grid's Winter Outlook Report this year shows a de-rated capacity margin of 4.8GW or 8.3% (p7). This looks healthy, though neighbouring countries' grids target 10-15% margin. However there are a number of concerns with it: De-rated margin is a statistical...

Following our article a week ago, Mark Howitt from Storelectric pointed out the omission of their very interesting long duration storage technology. Storelectric has developed what they claim is the world’s most cost-effective largescale long-duration electricity...

Many large renewable generation projects and interconnectors are stalled because thegrid to which they would connect is weak and/or saturated, requiring hugely costly grid reinforcement before the renewables can be connected, which makes the project impractical....

The lockdown is providing a trial run of the "summer minimum" challenges of operating the grid as it will be in the 2030s and 2040s, with renewable generation as a high proportion of demand. Demand was historically low and renewable generation historically high on...

On the surface, various aspects of the market are giving conflicting signals: batteries have piled into the Frequency Response market, collapsing its price, and are starting to look at STOR (though only longer-duration batteries can bid for it); the Capacity Market...