Strong Institutions Boost Renewable Energy’s Carbon Cuts in BRIC Economies

Switching to renewable energy does not automatically deliver both a cleaner environment and wider access to electricity, according to a new study of Brazil, Russia, India and China published in the journal Discover Sustainability. The research, covering 2000 to 2024, finds that renewable energy consumption is associated with lower carbon intensity across the four BRIC economies, but that its relationship with electricity access is non-linear. Building out wind, solar, hydro and other renewables helps decarbonize these economies, yet on its own it does not reliably reduce energy poverty, measured here through access to electricity.

The study, led by Collins Adu and colleagues, frames the question around two United Nations Sustainable Development Goals: SDG 7, which targets affordable and clean energy, and SDG 13, which targets climate action. The authors argue that in emerging economies, where institutions may be weaker and global energy markets more volatile, the social and environmental payoffs of a renewable transition can diverge. To test this, they treat electricity access as an inverse proxy for energy poverty, so that higher access indicates lower energy poverty, and pair it with carbon intensity as the environmental outcome.

Methodologically, the team applied second-generation panel diagnostics and panel cointegration tests to check the statistical properties of the data and confirm long-run relationships among the variables. They then estimated the direct and indirect links between renewable energy consumption, institutional quality and the two sustainable-development outcomes using Generalized Least Squares with a correlated error structure and Panel-Corrected Standard Errors, techniques designed for panel data in which errors may be correlated across countries and heteroskedastic over time. The headline result is a negative correlation between renewable energy consumption and carbon intensity, which the authors interpret as evidence of renewables' environmental contribution in the BRIC bloc.

However, the relationship between renewable energy and electricity access proved non-linear, suggesting that expanding renewable generation does not translate smoothly or proportionally into household electricity access. The authors conclude that renewable energy plays a crucial role in sustainable development but is not sufficient on its own to solve energy poverty. One of the study's most striking findings concerns the role of institutions.

The interaction results indicate that the carbon-mitigating effect of renewable energy intensifies when institutional quality is better, specifically regulatory quality and rule of law. This conceptualizes institutional quality as a conditioning mechanism between renewable-energy transitions and the twin outcomes of environmental sustainability and energy access. The authors say this highlights the importance of effective institutions and inclusive energy-access policies for renewable deployment, not just the physical build-out of clean capacity.

The research also brings global conditions into the picture. The effectiveness of the renewable transition in the four economies was found to be affected by global uncertainty, proxied by economic policy uncertainty. According to the study's highlights, such global uncertainties affect both the deployment of renewable energy and macroeconomic stability, meaning that turbulence in the international policy environment can complicate the transitions these economies are pursuing.

The authors position their contribution as building on the existing literature by explicitly modeling how institutional quality conditions the relationship between renewable-energy transitions and the outcomes of environmental sustainability and energy access. This framing separates two problems that are often conflated: cutting the carbon intensity of energy systems, which renewables are associated with in this dataset, and extending electricity access to underserved populations, which the data suggest requires complementary policies beyond renewable deployment alone. For the BRIC countries, the implication is that renewable targets and institutional reform may need to advance together.

The study suggests that strengthening regulatory quality and the rule of law could amplify the emissions benefits of renewable energy, while dedicated, inclusive policies remain necessary to convert clean-energy growth into actual electricity access. As the authors note, moving to renewable energy does not necessarily trigger environmental and social benefits at the same time, particularly where institutional limitations and uncertainty in the global energy market persist.

Subject of Research: Renewable energy transitions, institutional quality, carbon intensity and energy poverty in BRIC economies

Article Title: Advancing SDG 7 and SDG 13 in BRIC economies through renewable energy transitions and institutional quality while mitigating energy poverty

Article References: Adu, C., Edzi, R. B., Tawiah, D., Drah, W. E., Aryeetey, P. D., & Owusu-Afriyie, E. (2026). Advancing SDG 7 and SDG 13 in BRIC economies through renewable energy transitions and institutional quality while mitigating energy poverty. Discover Sustainability. https://doi.org/10.1007/s43621-026-05096-3

Image Credits: AI Generated

DOI: 10.1007/s43621-026-05096-3

Keywords: renewable energy, BRIC economies, carbon intensity, energy poverty, institutional quality, SDG 7, SDG 13, electricity access, economic policy uncertainty, panel cointegration, regulatory quality, rule of law