Search Results for: volatility volatile

Grid-scale battery costs: $/kW or $/kWh?

Battery capex costs per kW and per kWh of power, depending on hours of capacity. Also included are the sources of that capex.

…to rapidly add MW, then the grid is going to fall over. This is why we care predominantly about batteries producing MW. https://thundersaidenergy.com/2022/09/01/solar-volatility-tell-me-lies-tell-me-sweet-little-lies/ https://thundersaidenergy.com/2021/06/24/power-grids-hell-is-a-hot-still-summers-day/ Grid-scale batteries will tend to minimize…

Costs of biogas upgrading to biomethane?

Financial model for a biogas upgrading facility.

…Biogas is a mixture of 40-75% methane, 20-50% CO2, H2O, nitrogen, oxygen, H2S, ammonia, and other impurities such as siloxanes, mercaptans and other volatile organic compounds. Different assets of biogas…

Coal grades: what CO2 intensity?

CO2 intensity of coal

…30% volatile components that will gas out when coal is heated, 12% moisture (i.e., water) and 12% ash. (Note that the numbers do not add to 100% because some of…

Grid-scale battery operation: a case study?

Load profile and power prices for the Victorian Big Battery on an average day in May 2023.

…is providing short-term grid stability to increasingly volatile grids that need ‘synthetic inertia’. Their key economic rationale is arbitrage. Numbers are borne out by our case study into battery operations….

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