Carbon Footprint Calculator

Understanding Your Carbon Footprint in Nigeria

Nigeria's energy landscape is unlike almost anywhere else in the world. The average household simultaneously relies on three distinct energy sources — the national grid (NEPA/PHCN), a petrol or diesel generator, and LPG cooking gas — each carrying its own carbon cost. Understanding the combined CO₂ burden of these sources is the first step toward making smarter, cheaper, and cleaner energy decisions.

Why Generator Emissions Dominate

For most Nigerian households, the generator is the single largest source of carbon emissions. A typical 2.5 kVA petrol generator running 8 hours a day for 25 days a month burns approximately 140 litres of petrol, releasing around 323 kg of CO₂. Scale that to a full year and you are looking at nearly 3.9 tonnes — equivalent to 4–5 return flights from Lagos to London. Diesel generators are slightly more carbon-efficient per litre of fuel burned, but they still emit 2.68 kg CO₂ per litre, making heavy diesel usage a major environmental cost.

Nigeria's Grid Emission Factor

Grid electricity in Nigeria carries an emission factor of 0.431 kg CO₂ per kWh — the national average published by NERC. This figure reflects Nigeria's generation mix, which includes natural gas (the dominant source), some hydropower, and residual oil-fired plants. While this is lower than pure diesel generation, it is significantly higher than solar's near-zero operational emissions. A household consuming 100 kWh per month from the grid produces approximately 43 kg of CO₂ monthly from that source alone.

LPG: The Cleanest Cooking Option

Liquefied petroleum gas produces 2.98 kg of CO₂ per kilogram burned. While this sounds high, LPG's energy density means it is still far cleaner than kerosene (which produces harmful particulates alongside CO₂) or charcoal (which involves deforestation in addition to combustion emissions). A standard 12.5 kg cylinder emits approximately 37 kg of CO₂ when fully consumed, making LPG a relatively low-impact cooking fuel in the Nigerian context.

The Carbon Benchmarks

Context matters when interpreting CO₂ numbers. A solar-powered Nigerian home can achieve monthly emissions as low as 35 kg CO₂ (from LPG cooking alone). An average Nigerian home without solar typically sits around 145 kg per month. By comparison, average UK homes emit around 210 kg/month and the average US household produces a staggering 650 kg/month — largely from heating, air conditioning, and car use. Nigeria's per-capita energy consumption remains low by global standards, but generator dependency means the environmental cost per useful kilowatt-hour is extremely high.

How Solar Cuts Your Carbon

A 3 kW solar system in Nigeria generates approximately 450 kWh per month (using 5 peak sun hours per day, Nigeria's annual average). This offsets grid electricity consumption first — saving 0.431 kg CO₂ per kWh avoided — then reduces generator run time with the remaining generation capacity. The combined monthly CO₂ saving from a well-sized solar system is typically 100–250 kg depending on your current energy mix, equivalent to planting 57–143 trees per month.

Key Carbon Benchmarks

• Petrol generator: 1 litre/hour burns ≈ 2.31 kg CO₂
• Diesel generator: 1 litre/hour burns ≈ 2.68 kg CO₂
• Grid electricity: 1 kWh ≈ 0.48 kg CO₂ (Nigeria average, NERC)
• Solar energy: near-zero operational emissions
• 1 tree absorbs approximately 22 kg CO₂/year

Taking Action on Your Carbon Footprint

Reducing your carbon footprint is not just an environmental gesture — it has direct financial value in Nigeria. Every litre of fuel not burned is money saved. Every kWh generated by solar instead of a generator eliminates both fuel cost and carbon cost simultaneously. The most impactful single action for the average Nigerian household is reducing generator hours through a well-sized solar-battery system. Use the Carbon Footprint Calculator above to model your specific situation, then visit our Solar ROI and Solar Sizing tools to plan the investment.