The document discusses the status and consequences of unbundling in energy markets following liberalization. It covers:
1) The requirements for legal and functional unbundling of distribution and transmission system operators, including establishing independent corporate identities.
2) Examples of cases where operators in Austria have been certified as independent transmission or distribution system operators.
3) The penalties energy regulators can impose on operators that fail to properly legally unbundle or comply with unbundling rules, such as fines up to 10% of annual turnover.