Renewable Energy Communities (RECs) do not grow from legislation alone. They begin when citizens, municipalities, local businesses and civic actors start to see energy not only as something to consume, but as something they can produce, share and govern together. This is especially true on small islands that often face higher energy costs, dependence on external resources, infrastructural constraints, and stronger exposure to climate-related pressures. Yet their limited scale, strong territorial identity and close social relations can also make them powerful laboratories for citizen-led energy transition.

Building on this perspective, LIFE ISLET has released Policy Recommendations and RECs Implementation Guidelines. The document offers practical guidance for public authorities, local stakeholders, civic groups and emerging Renewable Energy Communities willing to move from interest to implementation. Rather than presenting Renewable Energy Communities as purely technical or regulatory tools, the guidelines look at them as social and institutional processes. A REC is not only a legal entity or an energy scheme: it is a space where local actors can cooperate, make decisions, share benefits, and strengthen their role in the energy transition.

From Island Experiences to Practical Guidance

The document brings together the experience developed across the LIFE ISLET project, combining policy analysis, local engagement activities, stakeholder feedback and lessons learnt from the pilot islands of Procida, Astypalea and Cres, as well as inspiration from the pioneering island of Samsø in Denmark. In doing so, the guidelines transform local experience into operational insights that can support other islands and territories facing similar challenges.

The guidelines place great emphasis on trust-building and participatory processes. Information, dialogue and organisation are presented as three interconnected dimensions of a successful REC pathway. Citizens and local stakeholders need clear and accessible information to understand what a REC is, what it can realistically offer, and what limits it may have. They also need spaces where doubts, expectations and concerns can be discussed openly. However, the guidelines also underline that public support is most effective when it enables participation rather than replacing it. A Renewable Energy Community cannot be reduced to a top-down project: it needs institutional backing, but also grassroots ownership.

Building Trust, Participation and Local Ownership

The experiences of ISLET pilot islands show that there is no single model for building a REC. Procida highlights the importance of local facilitation, awareness-raising and gradual trust-building. Astypalea shows how municipal involvement and close contact with residents can support the creation of an energy community in a non-interconnected island context. Cres reveals how legal uncertainty and administrative complexity can affect even well-prepared community energy initiatives, making policy clarity and institutional coordination essential. These lessons also resonate with the ISLET Helpdesks, which provide informational, technical and administrative support to citizens and local authorities exploring community energy initiatives.

Financing Energy Communities

The guidelines also address the financial dimension of RECs on islands. Financial viability is presented not as a separate technical matter, but as a core condition for implementation. Small-island projects often require realistic assumptions, context-specific business models and blended financing approaches. A credible REC project must be coherent with local demand, available infrastructure, governance capacity and the expected distribution of benefits.

In this sense, ISLET policy recommendations offer more than recommendations. They provide a compass for those who want to build community energy initiatives that are technically feasible, socially rooted and territorially meaningful. They remind policy-makers that the energy transition is not only about installing renewable technologies, but also about creating the conditions for people to participate in shaping their own energy future.

From policy frameworks to civic engagement, from governance models to financing strategies, the document gathers what the project has learnt so far and shares it with those ready to take the next step. The ISLET policy guidelines show how this future can begin: with communities that recognise energy as a common resource, and with public authorities willing to help transform that recognition into lasting local action.