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operational constraints on the optimal generation portfolios obtained from MC-ELECT described previously. III. M ... coal, gas and hydro plants are assumed to provide synchronous generation (some types of renewable generation such as solar thermal, geothermal and biomass are also synchronous, although these technology types have not been modelled in this study). The impact of requiring …

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Iron ore is the primary raw material in steelmaking and coal is used as fuel to melt the ore. Our long-life iron ore and coal reserves provide a measure of security of supply and an important natural hedge against raw material volatility and global supply constraints.

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