Search results for: “small scale LNG”
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Global electricity prices vs. CO2 intensities?
Retail electricity prices average 11c/kWh globally, of which 50-60% is wholesale power generation, 25-35% is transmission and 10-20% covers other administrative costs of utilities. The average CO2 intensity of the global average power grid is 0.45 kg/kWh. Variations are wide. And there is a -35% correlation between electricity prices vs CO2 intensities in different countries…
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Newlight AirCarbon: bioplastics breakthrough?
Newlight is converting (bio-)methane and air into polyhydroxybutyrate (PHB), a type of polyhydroxyalkanoate (PHA), a biodegradable bioplastic which it markets as AirCarbon. The product is ‘carbon negative’, biodegradable, strong, ‘never soggy’, dishwasher safe. Our AirCarbon technology review found some good underlying innovations, but was unable to de-risk cost and capex aspirations.
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Bloom Energy: solid oxide fuel cell technology?
This data-file reviews Bloom Energy’s solid oxide fuel cell technology. What surprised us most was a candid overview of degradation pathways of solid oxide fuel cells, a focus on improving the longevity of fuel cells, albeit this sometimes seems to be via heavy uses of Rare Earth metals, and increasing complexity. The patents do suggest…
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Hot potassium carbonate CCS: energy economics?
Hot potassium carbonate is a post-combustion CCS technology that bypasses the degradation issues of amines, and can help to decarbonize power, BECCS and cement plants. We think costs are around $100/ton and energy penalties are 30-50%. Potassium carbonate CCS can be stress-tested in this data-file, across 50 inputs.
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Thermoelectrics: leading companies and products?
Thermoelectric devices convert heat directly into electricity, or conversely provide localized cooling/heating by absorbing electricity. This data-file screens leading companies in thermoelectrics, their product specifications, applications and underlying calculations for thermoelectric efficiency.
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Costs of biogas upgrading to biomethane?
Costs of biogas upgrading into biomethane are estimated at $7/mcf off of capex cost of $400/ton, in this data-file. The largest contributor to total costs is carbon filtering, to remove siloxanes, VOCs and H2S, which we have modelled from first principles, at $2/mcfe. Underlying data into biogas compositions and impurities are also tabulated for reference.
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Gas power: levelized costs of combined cycle gas turbines?
Levelized costs of combined cycle gas turbines are built up in this data-file. Our base case costs of gas-fired power generation are 8c/kWh, at a combined cycle turbine converting 55% of the thermal energy of natural gas into electrical energy, for a total CO2 intensity of 0.35 kg/kWh.
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Fuel costs and CO2 intensities?
We have produced a cross-plot of the costs and CO2 intensities of different fuels, in $/boe and kg of CO2 per boe, to compre the relative attractiveness of decarbonization options. Favored decarbonization options are nature based solutions, CO2-EOR, blue hydrogen and coal-to-gas switching.
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CO2 capture: a cost curve?
This data-file summarizes the costs of capturing CO2. The lowest-cost options are to access pure CO2 streams that are simply being vented at present. Next are blue hydrogen, steel and cement, which could each have GTpa scale. Power stations place next, at $60-100/ton. DAC is carbon negative but expensive.
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European shale: an overview?
Europe has 15 TCM of technically recoverable shale gas resources. This data-file aims to provide a helpful overview, as we expect exploration to re-accelerate. Ukraine has the best shale in Europe, which may even be a motivation for Russian aggression. Other countries with good potential, held back only by sentiment are Romania, Germany, UK, Bulgaria…
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