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August 28, 2026

Rewire. #240 — Friday, 28 Aug 2026

Rewire. — Morning Briefing
Friday   28 Aug 2026 · Nº 240
Signal
Capital is retreating from hydrogen electrolysis—Topsoe's $639m write-off on its mothballed solid-oxide unit and a fresh government study hunting 24 cost-cutting levers both underscore how far green hydrogen remains from bankability. Meanwhile, batteries face a divergent shakeout, with distressed assets changing hands (Lyten for Morrow, Tiven for sonnen) even as Spain's flexible grid-access rules threaten to erode battery revenues by up to 10%.
AI-generated illustration: silicon substrate heating under sustained electrical current, glowing incrementally hotter from cool to incandescent along its length.
Industrial Policy · ES · El Periódico de la Energía
Spain to require data centres to source 80% of energy from renewables
The Spanish government is preparing a requirement that data centres cover at least 80% of their energy consumption from renewable generation, according to reporting on a draft measure. The rule would tie the sector's rapid load growth to renewable procurement rather than grid average supply.
RED III/IV Source ↗
Hydrogen · EU · Hydrogen Insight
Topsoe books at least $639m in restructuring costs after mothballing solid-oxide electrolyser unit
Topsoe reported that restructuring costs tied to placing its solid-oxide electrolyser business into 'hibernation' have risen to at least $639m. The company cited weak near-term demand for the technology as the reason for pausing the operation.
Industrial Policy · RFNBO Source ↗
Batteries · EU · batterynews.de
Lyten named preferred bidder for insolvent Morrow Batteries
US battery maker Lyten is the preferred bidder for the assets of insolvent Norwegian cell producer Morrow Batteries, with insolvency administrators and creditor Innovation Norway having signed a letter of intent on 21 August 2026. The district court in Agder is involved in the process. The transaction is not yet completed.
Industrial Policy Source ↗
Batteries · DE · El Periódico de la Energía
Shell sells German home-battery maker sonnen to family office Tiven
Shell has agreed to sell German residential battery storage manufacturer sonnen to the family office Tiven, according to reporting. The move exits Shell from an asset it had held as part of its power and home-energy business.
Industrial Policy Source ↗
Grids Package · ES · El Periódico de la Energía
Flexible grid access could cut Spanish battery revenues by up to 10%
Analysis reported in Spain estimates that flexible grid connection arrangements could reduce revenues for battery storage projects by as much as 10%. The figure is an estimate reflecting curtailment risk under non-firm access terms.
Batteries Source ↗
Grids Package · FR · CRE Délibérations
French regulator approves Enedis connection tariff scale and distribution-to-transmission connection procedures
In deliberations dated 28 July 2026, France's energy regulator CRE approved Enedis' pricing scale for charging users for connection works on public distribution networks, alongside a model agreement and a procedure for connecting distribution networks to the transmission grid. The decisions set the framework and cost basis for network connection requests.
Source ↗
Hydrogen · EU · Hydrogen Insight
Government-backed study identifies 24 levers to cut green hydrogen capital costs
A government-backed study reviewed by Hydrogen Insight sets out 24 measures that project developers and policymakers can use to reduce the capital costs of green hydrogen projects. The paper frames cost reduction as spread across financing, procurement, engineering and policy levers rather than a single technology fix.
RFNBO · Industrial Policy Source ↗
The morning board
Ammonia · unabated fossil
Conventional SMR · $/t NWE
688.25
Ammonia · low-carbon
SMR + CCS · $/t NWE
738.92
Ammonia · RFNBO
Renewable electrolysis · $/t NWE
839.16
EUA
EU Allowance · €/tCO₂
82.17
DE Baseload
Day-ahead · €/MWh
143.55
TTF Natural Gas
Front-month · €/MWh
60.80
Sources: Argus · SMARD.de · ICE/EEX · Full board →
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Rewire.   Markets · Politics · RFNBO
AI-assisted briefing for informational purposes only. Not investment, legal, or regulatory advice. No liability assumed. Views are the author's own.
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