Search results for: “companies”
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Offshore offsets: nature based solutions in the ocean?
Nature based carbon offsets could migrate offshore in the 2020s, sequestering 3GTpa of CO2 for a prices of $20-140/ton. In a more extreme case, if CO2 prices reached $400/ton, oceans could potentially decarbonize the whole world. This 19-page note outlines the opportunity in seaweed and kelp.
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Biochar: burnt offerings?
Biochar is a miraculous material, improving soils, enhancing agricultural yields and avoiding 1.4kg of net CO2 emissions per kg of waste biomass. IRRs surpass 20% without CO2 prices or policy support. Hence this 18-page note outlines the opportunity.
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Gas treatment: an overview?
This data-file gives an overview of gas sweetening and treatment processes. The main method is chemical absorption using amines. We estimate that a mid-size facility of 500mmcfd must levy a $0.15/mcf cost and emits 3.5kg/boe to take out c7% H2S and CO2. Other processes are compared.
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Energy efficiency of motors and power generators?
This data-file estimates the efficiency of electric motors and power generators, using specific examples and data-points. This matters as there are around 50bn motors in the world, consuming c45% of global electricity. Efficiency ratings are generally high, above 90%, although lagging and non-optimized motors can be in the 70-80% range.
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Battery recycling: long division?
Recycling lithium batteries could be worth $100bn per year by 2040 while supporting electric vehicles’ ascent. Hence new companies are emerging to recapture 95% of spent materials with environmentally sound methods. Our 15-page note explores what it would take for battery-recycling to become both practical and compelling.
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Gas turbines: what market size in energy transition?
CHP systems are 20-30% lower-carbon than gas turbines, as they capture waste heat. They are also increasingly economical to backstop renewables. Amidst uncertain policies, the market size for US CHPs could vary by a factor of 100x. We nevertheless find 30 companies well-placed in a $9trn global market.
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Windy physics: how is power of a wind turbine calculated?
This data-file is an overview of wind power physics. Specifically, how is the power of a wind turbine calculated, in MW, as a function of wind speed, blade length, blade number, rotational speed (in RPM) and other efficiency factors (lambda). A large, modern offshore wind turbine will have 100m blades and surpass 10MW power outputs.
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Offshore wind: will costs follow Moore’s Law?
Some commentators expect the levelized costs of offshore wind to fall another two-thirds by 2050. The justification is some eolian equivalent of Moore’s Law. Our 16-page report draws five contrasts. Wind costs are most likely to move sideways, even as the industry builds larger turbines. Implications for developers are explored.
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Carbon fiber: energy economics?
Carbon fiber production costs are estimated at $25/kg in this data-file, in order to generate a 10% IRR at a new world-scale carbon fiber plant. Energy economics are broken down across the value chain. The production process will likely emit 30 tons of CO2 per ton of carbon fiber if powered by a mixture of…
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ChargePoint: electric vehicle charging edge?
ChargePoint is the leading provider of Level 2 EV charging stations in the US and aims to help electrify mobility and freignt. Our review finds a library of simple, clear, specific and easy-to-understand patents. More debatable are the technology edge and future IP defensability.
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