The Power of Microgrids in the Global Energy Transition

The report examines the role of microgrids in the global energy transition, highlighting how falling costs of solar and wind energy enable these small networks to provide reliable, low-carbon power. It compares connected microgrids, which can operate independently during outages, with isolated microgrids, such as those in the Caribbean, which must be self-sufficient. The text emphasizes that both types face similar challenges in balancing variable renewables with firm energy sources and suggests that knowledge sharing, particularly from island nations leading in renewable integration, can accelerate the global transition.

• Falling costs for solar and wind energy have made these technologies cost-competitive with traditional fossil fuels, allowing microgrids to economically achieve clean energy goals while maintaining electricity supply reliability.
• Isolated microgrids, particularly in the Caribbean, are transitioning from a reliance on centralized diesel generation toward energy efficiency and renewable energy at both utility and distributed scales to increase energy independence and meet climate commitments.
• In Saint Lucia, a 3 megawatt solar PV utility-scale project is expected to provide electricity to approximately 3,000 homes and reduce annual CO2 emissions by 4,000 tons.
• Both connected and isolated microgrids face the technical challenge of balancing variable renewable energy with firm energy sources and managing the economic tension between minimizing costs and ensuring reliability through backup power.
• The University of California San Diego microgrid has demonstrated the ability to operate both while connected to the larger electricity grid and in isolation from it.

APA

Teelucksingh, S. (2017). The Power of Microgrids in the Global Energy Transition. RMI. https://rmi.org/resources/power-microgrids-global-energy-transition/

Chicago

Teelucksingh, Siana. The Power of Microgrids in the Global Energy Transition. RMI, 2017. https://rmi.org/resources/power-microgrids-global-energy-transition/.

Wikipedia

{{cite report |last1=Teelucksingh |first1=Siana |title=The Power of Microgrids in the Global Energy Transition |publisher=RMI |date=17 August 2017 |url=https://rmi.org/resources/power-microgrids-global-energy-transition/ |access-date=17 August 2026 |via=Climate Insights Directory}}

BibTeX

@techreport{teelucksingh2017power, author = {Teelucksingh, Siana}, title = {{The Power of Microgrids in the Global Energy Transition}}, institution = {RMI}, year = {2017}, month = aug, url = {https://rmi.org/resources/power-microgrids-global-energy-transition/}, urldate = {2026-08-17}, note = {Indexed by Climate Insights Directory} }