Abstract: A method for a renewable energy generating system is provided. The renewable energy generating system includes the following steps: —determining, by a first energy meter, a produced energy amount of the renewable energy generating system in the predetermined period of time; —verifying the produced energy amount of the renewable energy generating system in the predetermined period of time; —issuing, by a computing unit, an energy certificate for the renewable energy generating system for the predetermined period of time, where the energy certificate at least comprises a time stamp indicating the predetermined period of time, an identifier indicating the one or group of renewable energy generators having produced the energy amount, and the produced energy amount; —encrypting, by the computing unit, the energy certificated; and —adding, by the computing unit, the encrypted energy certificate to a block of a blockchain or a distributed ledger application as a digital output.

Abstract: A method for a renewable energy generating system is provided. The renewable energy generating system includes the following steps: —determining, by a first energy meter, a produced energy amount of the renewable energy generating system in the predetermined period of time; —verifying the produced energy amount of the renewable energy generating system in the predetermined period of time; —issuing, by a computing unit, an energy certificate for the renewable energy generating system for the predetermined period of time, where the energy certificate at least comprises a time stamp indicating the predetermined period of time, an identifier indicating the one or group of renewable energy generators having produced the energy amount, and the produced energy amount; —encrypting, by the computing unit, the energy certificated; and —adding, by the computing unit, the encrypted energy certificate to a block of a blockchain or a distributed ledger application as a digital output.

Abstract: The following relates to a Foundation for a wind turbine, including base means with a center zone and an outer zone, wherein the outer zone is configured for carrying most of the weight of the wind turbine. In the center zone, the base means include a chamber, wherein the foundation further includes energy storage means, wherein the energy storage means includes a flywheel pivotally arranged within the chamber for storing rotational energy, is provided. The energy storage means further includes transmission means for transforming energy of a wind turbine into rotational energy of the flywheel and for transforming rotational energy of the flywheel into electrical energy. The following further relates to a wind turbine and to a method for storing and using energy generated by a wind turbine.

Abstract: The invention relates to a computerized method for a user to create an advertisement by displaying a plurality of advertising formats for selection by a user; displaying a template corresponding to a selected advertising format; displaying a plurality of product references for selection by the user; displaying on the template a selected product reference to create a proposed advertisement; and creating a preview of the proposed advertisement, all of which may be implemented using the Internet. The invention further relates to a computerized system for creating an advertisement that comprises a template database for storing advertising formats; a product database for storing product references; and a computer to access the databases.