Solution Strategy (cont.)

• The output power at which l1 becomes 2.84 $/MWh occurs when ...

• l1 = 0.02P1 + 2.0 = 2.84 $/MWh.

• Which yields P1 = 42 MW.

• So at this point: P1 = 42 MW, P2 = 30 MW, PL = 72 MW and l1 = l2 = 2.84 $/MWh.

l1(P1) = 0.02P1 + 2.0 & l2(30) = 2.84 $/MWh.

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