The European power transmission network is recognised as an important factor
for economic and social well-being. Within a country, system operators usually
have geographical separation and, as a consequence, local monopoly status. Transmission
systems are capital intensive, sized to meet demand, and fixed in nature, making
it unlikely that any competition could arise to control prices.
Due to the central importance of energy and the natural monopoly status of
the transmission system operator, transmission networks are regulated to maintain
acceptable standards for stakeholders and prevent the disproportionate exercise
of economic power by operators.
A power transmission system must reliably and cost effectively deliver power
to customers while ensuring the return on investment required by the transmission
system operator. Regulators attempt to achieve this balance through: