Efficiency and Micropower for Reliable and Resilient Electricity Service: An Intriguing Case-Study from Cuba

Between 2004 and 2007, Cuba transitioned from a fragile, centralized power system plagued by frequent blackouts to a more resilient model. This was achieved through 'La Revolución Energética', which combined the mass replacement of inefficient appliances (lamps, refrigerators, air conditioners) with the installation of 1,854 diesel and fuel-oil-fired microgenerators. This decentralized architecture improved resilience against hurricanes and reduced oil consumption per kWh compared to central plants, while the country began shifting toward long-term renewable goals including wind, solar, and bagasse cogeneration.

• Cuba successfully eliminated major blackouts by 2007, dropping from 224 days of outages in 2005 to zero in 2007, by implementing a strategy of efficient end-use and a more granular grid.
• The government executed a mass efficiency campaign, replacing over nine million incandescent lamps with compact fluorescents in six months and updating millions of appliances—including refrigerators, fans, pumps, and air conditioners—to efficiencies comparable to U.S. Energy Star standards.
• Cuba decentralized its power architecture by installing 1,854 diesel and fuel-oil-fired microgenerators totaling 1,820 MW across 110 municipalities, alongside 690 MW of emergency backup generators at 4,000 critical sites.
• The shift to distributed generation increased system resilience against natural disasters; during 2008 hurricanes that felled 167 transmission towers, netted mini-grids and portable diesels maintained critical services.
• While the immediate fix relied on oil, Cuba's strategic goal is a transition to renewables, utilizing its potential for wind (5–14,000 MW), solar (5 kWh/m2-d average insolation), and bagasse cogeneration (478 MW currently installed with 826 MW more potential).

APA

Lovins, A. B. (2010). Efficiency and Micropower for Reliable and Resilient Electricity Service: An Intriguing Case-Study from Cuba. RMI. https://rmi.org/app/uploads/2017/05/RMI_Document_Repository_Public-Reprts_2010-23_CubaElectricity.pdf

Chicago

Lovins, Amory B. Efficiency and Micropower for Reliable and Resilient Electricity Service: An Intriguing Case-Study from Cuba. RMI, 2010. https://rmi.org/app/uploads/2017/05/RMI_Document_Repository_Public-Reprts_2010-23_CubaElectricity.pdf.

Wikipedia

{{cite report |last1=Lovins |first1=Amory B. |title=Efficiency and Micropower for Reliable and Resilient Electricity Service: An Intriguing Case-Study from Cuba |publisher=RMI |date=31 January 2010 |url=https://rmi.org/app/uploads/2017/05/RMI_Document_Repository_Public-Reprts_2010-23_CubaElectricity.pdf |access-date=17 August 2026 |via=Climate Insights Directory}}

BibTeX

@techreport{lovins2010efficiency, author = {Lovins, Amory B.}, title = {{Efficiency and Micropower for Reliable and Resilient Electricity Service: An Intriguing Case-Study from Cuba}}, institution = {RMI}, year = {2010}, month = jan, url = {https://rmi.org/app/uploads/2017/05/RMI_Document_Repository_Public-Reprts_2010-23_CubaElectricity.pdf}, urldate = {2026-08-17}, note = {Indexed by Climate Insights Directory} }