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<p>their electrical generation sources might propagate to a very large number of customers, causing personal and property damages. Natural hazards and generation/consumption imbalances are a major cause of concern. To minimize the probability of grid instability and failure, regional or national transmission system operators are interconnected to each other.</p>

<p><big>Electricity market operations</big></p>
<p>The role of the system operator in a wholesale <a href="page.php?w=electricity_market">electricity market</a> is to manage the security of the</p><p>
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