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of more standalone systems into island energy The introduction of innovative energy
dynamics is just one example of energy security services, however, such as the Integrated Utility
in the face of disaster. Service (IUS) Model could help to diversify
The Caribbean region possesses a large, the utility’s business model by providing new
unlocked potential of renewable energy (RE) revenues from the implementation of RE
sources. The challenge, however, consists of and EE measures on the demand side, while
finding and designing tailored solutions and at the same time delivering energy savings
mechanisms for smart management and flexible to customers. Within the present edition,
operation of our power networks that permit the main considerations, requirements and
the targeted high penetration of renewable options around the IUS models are outlined by
energies into our energy systems. It is essential the GIZ Technical Assistance Programme for
that this is implemented without compromising Sustainable Energy in the Caribbean (TAPSEC).
the security of the energy supply and overall The article further provides first experiences and
energy affordability. Within this edition, our recommendations from field implementation
CARILEC members and partners share their of the model in Barbados, Belize, Guyana and
experiences and best-practice examples with Jamaica.
storage technologies and measures for grid Following the aim to share additional ideas,
flexibility to allow for more intermittent RE in concepts and solutions, we continue with
their power systems. In addition, innovative presenting several innovative technologies and
supporting technologies and mechanisms for RE business models, that allow utilities to further
expansion are presented and explained in detail. explore the market opportunities for sustainable
Despite the well-recognized potential for, energy services. Such services include the
and steps to promote energy efficiency (EE), provision of the required infrastructure and
the progress in implementation of respective electricity supply for electric mobility as well
measures is still slow. This is mainly due to as the delivery of techno-financial services to
an over-reliance on a risk averse, private implement EE measures and decentralized RE
sector to carry out EE projects in the absence generation in the private sector and the industry
of a suitable, market framework. Customers i.e., through an ESCo-Model.
typically are aware of financial benefits from The underlying logic of an ESCo business
energy conservation but do not possess the model for EE is to offer a solution whereby the
financial capacity and the required knowledge Energy Service Company (ESCo), i.e., the local
to select, invest and implement comprehensive utility, converts energy inefficiencies into future
EE measures on the demand side. The utility cash flows and required investments are repaid
on the other hand is facing a future where they from guaranteed savings or sales of excess
could see reduced sales of electricity due to an energy. For that purpose, ESCos cover technical
increased penetration of both, renewables and and financial risks for the design, installation,
efficiency. financing and operation of energy plants or EE

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