Abstract
A description is given of the status of commissioning of the LEP collider from the first injection in July 1989 with first collisions for physics about a month later to the first year of operation. During this time the LEP luminosity has reached more than half of the design value and more than 900 000 Z° particles have been generated, detected and analysed. The major factors related to each significant improvement in performance are reported. The present day limitations to performance are analysed, and the foreseen improvements aimed at raising the performance are discussed. The future possible LEP upgrades are outlined; the approved energy upgrade, studies to increase the luminosity by increasing the number of bunches, and studies aimed at producing transversely and longitudinally polarized beams for physics.
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