Energy Poverty Index Calculator
Assess energy equity for households or communities
Input Parameters
💡 Energy Poverty Index scores range from 0 (no poverty) to 100 (extreme poverty). Lower scores indicate better energy equity.
How to Use This Tool
Follow these steps to calculate the Energy Poverty Index for your target group:
- Enter the total population size (households or individuals) in the Population Size field.
- Input the percentage of the population with reliable, 24/7 electricity access in the Reliable Electricity Access field.
- Input the percentage of the population using clean cooking fuels (LPG, electricity, biogas) in the Clean Cooking Fuel Access field.
- Enter the average monthly energy expenditure as a percentage of median household income in the Energy Expenditure field.
- Select the energy supply reliability level that matches the group’s experience with outages.
- Choose the region/grid mix that corresponds to the group’s location to adjust for regional energy norms.
- Click the Calculate EPI button to generate results, or Reset to clear all inputs.
Formula and Logic
The Energy Poverty Index (EPI) uses a weighted scoring system to combine four key energy equity dimensions, producing a score from 0 (no energy poverty) to 100 (extreme energy poverty):
EPI = (0.3 × (100 – Electricity Access %)) + (0.3 × (100 – Clean Cooking Access %)) + (0.2 × max(0, Energy Expenditure % – 10)) + (0.2 × (4 – Reliability Score) × 25)
Each component is weighted to reflect global policy priorities: electricity and clean cooking access each account for 30% of the score, affordability 20%, and reliability 20%. The affordability term only activates when energy spending exceeds 10% of income, the threshold defined by the UN as an energy burden. The reliability term converts the 1-4 reliability scale to a 0-75 penalty, weighted at 20%.
Final EPI scores are capped at 100 to prevent outliers from skewing results. Categories are assigned as follows:
- 0–20: Low Energy Poverty
- 21–50: Moderate Energy Poverty
- 51–80: High Energy Poverty
- 81–100: Extreme Energy Poverty
Practical Notes
Emission factors and grid mix data vary significantly by region, as reflected in the region selector. These values are sourced from the International Energy Agency (IEA) 2023 Global Energy Review, but local grid mixes may differ from regional averages.
Lifecycle analysis caveats: This tool measures operational energy access, not lifecycle emissions of energy infrastructure. For example, a community using off-grid solar may have low operational emissions but high embodied emissions from panel manufacturing.
Data source references: Electricity and clean cooking access data should be pulled from national census reports or the World Bank’s Energy Progress Report. Reliability data can be sourced from local utility providers or grid monitoring platforms.
Clean cooking fuel definitions follow the IEA standard: excludes traditional biomass (wood, charcoal, dung) burned in inefficient stoves.
Why This Tool Is Useful
Energy poverty affects 3.6 billion people globally, limiting access to healthcare, education, and economic opportunity. This tool helps sustainability professionals and policy advocates quantify gaps in energy equity to prioritize interventions.
Researchers can use EPI scores to compare energy poverty across regions, demographic groups, or time periods. Eco-conscious individuals can assess energy equity in their local communities to guide advocacy or donation efforts.
Unlike single-metric tools, this calculator combines access, affordability, and reliability to give a holistic view of energy poverty, aligning with the UN Sustainable Development Goal 7 (Affordable and Clean Energy).
Frequently Asked Questions
What is a "good" EPI score?
Lower EPI scores indicate better energy equity. Scores below 20 mean the group has minimal energy poverty, with near-universal access to reliable, affordable clean energy. Scores above 50 indicate urgent intervention needs.
How do I get accurate input data for my region?
Use national statistical office reports, World Bank open data, or IEA regional profiles for electricity and clean cooking access. Local utility providers can supply reliability and energy pricing data for your area.
Does this tool account for renewable energy use?
The region selector adjusts for grid mix emission factors, but the EPI score itself measures energy poverty (access, affordability, reliability), not renewable energy adoption. A community with 100% solar access would score well on reliability and electricity access, regardless of grid mix.
Additional Guidance
For community-level assessments, use household survey data rather than national averages to capture local disparities. Disaggregated data by income, gender, or urban/rural status will produce more accurate EPI scores.
When comparing EPI scores over time, use consistent data sources and methodology to avoid artificial changes in results. Annual updates to input data are recommended for tracking progress.
Pair EPI results with local context: a high reliability penalty in a region with frequent storms may be less actionable than a high affordability burden that can be addressed with subsidies.