A Typical Case of Fiji s Energy Internet

Fiji's Energy Internet integrates grid and off-grid renewable energy systems, combining hydropower, solar, wind, and bioenergy to enhance energy access, sustainability, and community resilience.Overview of Fiji's Energy LandscapeFiji, an archipelago of over 300 islands with a population of around 930,000, has made significant progress in energy access, with 92% of households connected to electricity, though rural areas still face disparities . The main electricity provider, Energy Fiji Limited (EFL), serves about 90% of the population on the main islands, primarily using hydropower, which accounts for roughly 55–60% of electricity generation, supplemented by diesel and oil imports . Fiji aims to achieve 100% renewable electricity by 2035, leveraging solar, wind, biomass, geothermal, and biofuels .Grid-Connected SystemsA typical grid-connected case involves large-scale renewable projects such as the Nadarivatu Hydropower Station, a 40-megawatt run-of-the-river plant generating over 100 GWh annually . These systems feed electricity into the national grid, supporting urban centers, schools, hospitals, and commercial facilities. Grid-connected solar PV installations on rooftops, combined with biogas systems, are also used in institutions like secondary schools to provide reliable, clean energy while reducing carbon emissions .Off-Grid and Community Energy SystemsFor remote or smaller islands, off-grid solutions are essential. Solar Home Systems (SHS) and small-scale solar PV installations provide electricity to households and farms, enabling irrigation and other productive uses . Community Energy Systems (CESs) in Fiji enhance resilience by improving human, social, financial, and built assets, allowing communities to adapt to climate impacts and maintain essential services even during grid disruptions . These systems often integrate solar, biogas, and small hydropower, managed locally to ensure sustainability and self-sufficiency.Policy and Strategic SupportFiji's National Energy Policy and Renewable Energy Development Program (REDP) guide the transition to renewable energy, emphasizing energy efficiency, affordability, and environmental sustainability . Incentives for renewable energy investment, combined with carbon financing mechanisms like the Clean Development Mechanism (CDM), support both large-scale and community-based projects . The Energy Internet concept in Fiji is thus a combination of centralized grid infrastructure and decentralized renewable energy systems, creating a flexible, resilient, and sustainable energy network.ConclusionA typical case of Fiji's Energy Internet demonstrates a hybrid energy system where grid-connected hydropower and solar PV coexist with off-grid solar and biogas solutions. This integration not only ensures widespread energy access but also strengthens community resilience, supports climate adaptation, and advances Fiji's goal of a fully renewable energy future by 2035 .