Periodic notes from Endura on technical, commercial and contractual matters affecting renewable energy and storage assets. New articles are added when there is something material to add to the conversation, not on a schedule.
The conversation is no longer about whether to deploy renewables. It is about firmness — the ability to deliver clean power when industry, data centres and electrified loads need it. The piece argues for evaluating storage by Total Plant Cost rather than LCOS, for technology-neutral long-duration storage policy above twelve hours, and for treating thermal storage and demand flexibility as core infrastructure rather than ancillary additions.
By Xavier Lara Serra · English translation hosted on Endura. Originally published in Spanish.
The areas below summarise the technical, commercial and regulatory questions Endura is engaged with through advisory work and published commentary.
Renewable and storage transactions are increasingly priced on operating performance, not nameplate capacity. The diligence questions that actually move valuation are technical — equipment lineage, performance trajectory, contractual exposure under degradation, and the commissioning assumptions still embedded in the financial model.
The contractual exposures owners under-price are rarely in the headline price. They sit in interface management, change-order mechanics, availability definitions, the treatment of force-majeure and grid events, and the precedence rules between technical schedules and the commercial body. Discipline at signing avoids dispute at commissioning.
U.S. tax-credit qualification under the IRA, and the evolving Domestic Content, FEOC and Material Assistance frameworks, are reshaping equipment selection, supplier strategy and project cost stack. The right answer is now as much regulatory as engineering.
Hybrid PV and BESS plants are too often designed for a market that no longer exists by the time they reach commercial operation. The design discipline that pays back is sizing, augmentation strategy and dispatch logic that anticipate the price-volatility regime of the asset's operating decade, not its development year.
Under-performance in renewable and storage assets typically combines four distinct causes — operational, contractual, design and external. Separating them cleanly is the precondition for any credible turnaround plan, and the discipline owners most often shortcut.
Long-duration storage earns its value where intermittent supply meets continuous demand — data-centre baseload, industrial heat, grids with limited dispatchable capacity. The case for LDES is no longer a thermodynamic curiosity; it is a procurement question.
These areas correspond to Endura's published service practice. See Services for engagement detail.
A short selection of interviews and published commentary from prior to the founding of Endura.
Interview by Protermosolar covering the European Climate Pact role, hybrid CSP-PV plants, the Spanish PNIEC trajectory, molten-salt thermal storage at scale, and the comparison with battery storage.
Read interview →Interview with the IEA SolarPACES network on the auction design choices required to meet Spain's CSP capacity target under the PNIEC.
Read interview →Extended interview on the technical and commercial dimensions of the DEWA Phase IV project at the time of award.
Read interview →Endura is happy to discuss specific technical, commercial or contractual questions in confidence — whether on a topic we are preparing to write about or one we are not.