Insight
Spain's technical curtailment crunch: how the next wave of solar growth will impact trends
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Report summary
Over the last few years renewable assets in Spain have faced a new revenue risk: technical curtailment. And the risk is only growing – Spain will add over 9 GW of solar PV by the end of 2026, with a further 7 GW coming online in 2027–2028. Uncompensated curtailment remains material in 2026, with 4% of renewable output curtailed at a market level. But this is a local problem – congested nodes are curtailing up to 30% of their available renewable energy, with no compensation for turn down.
Table of contents
- A node-by-node network forecast of where curtailment will bite hardest, and whether grid investment, batteries and demand growth can offset it
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