Green Hydrogen Economy: Holy Roman Empire?

Green hydrogen economics

This 16-page note models the green hydrogen value chain: harnessing renewable energy, electrolysing water, storing the hydrogen, then generating usable power in a fuel cell. Today’s end costs are very…

Is there enough land for an energy transition?

Land Used by Renewables

…expensive in smaller countries with less land. Covered technologies include biofuels, reforestation, restoring soil carbon, carbon capture and storage, onshore wind, offshore wind, solar, hydro power, direct air capture and…

Organic Rankine Cycles: the energy economics?

Organic Rankine Cycle Energy economics

…capex (in $/kW), thermal efficiency levels (in %) and the levelized costs of power from Organic Rankine Cycle engines. Capex costs of Organic Rankine Cycle engines are estimated at around…

Global patent filings: by region, by industry, over time?

Global patent filings

…6% are construction related (chart below). Breakdown-of-Global-Patent-Filings-by-Major-Industry-Over-Time The rise of China as an industrial power is truly staggering. Patent filings in China reached 6M in 2021, which was 79% of…

Gas turbines and CHP: technology leaders?

Leading companies commercializing gas turbines for power or CHP

…as variations of these open-cycle turbines that are used in jet engines. Case studies from one such company, commercializing small, combined heat and power turbines, are presented in a backup…

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