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Field notes on building
clean energy

Practical perspectives on solar, storage and green hydrogen, written by the people delivering the work.

Solar EPC

Solar EPC

Solar EPC

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Why DC-coupled storage keeps winning hybrid tenders

Why DC-coupled storage keeps winning hybrid tenders

Coupling the battery on the DC bus recovers clipped energy and trims a layer of conversion losses. Here is when the maths works.

Reading a P50 yield report before you sign

Reading a P50 yield report before you sign

The headline P50 number is the least useful figure in the report. Look at the loss waterfall and the inter-annual spread instead.

Where green hydrogen offtake actually sits in 2026

Where green hydrogen offtake actually sits in 2026

Refining and fertiliser are replacing grey hydrogen first. Mobility is further out than the headlines suggest.