The concept of “delivering” electricity is related to wholesale power transactions between generators and transmission/distribution utilities (i.e., an LSE’s distribution system). It typically refers to the injection of electricity by a generator into a specific wholesale electricity market footprint, such as an ISO or RTO in the USA, or to the distribution system of an LSE.
PPAs can include requirements that address where (and when) power is injected by a generator, but they cannot guarantee delivery of power to a specific end-use consumer.