Oil Palm (Elaeis guineensis): Growth, Allometry and Carbon Potential

Updated 2026-11-02 · 4 min read · By the akar.earth specialist team

Oil palm carbon sequestration explained: palm biology, 25-year cycles, time-averaged stock, palm allometry, peat and deforestation risk, and EUDR.

Oil palms store carbon in their trunks and fronds while they grow, but plantations are felled and replanted on cycles of about 25 years, so their long-run average carbon stock is much lower than that of the forest they often replaced. In Indonesia, oil palm’s main carbon relevance is avoided deforestation, peat protection and EUDR compliance, not removal credits.

Identity and range

The African oil palm (Elaeis guineensis) is a palm in the family Arecaceae. In Indonesia it is called kelapa sawit or sawit. Most commercial planting material is Tenera, a hybrid of Dura and Pisifera types.

Oil palm is native to West and Central Africa. It was introduced to Indonesia in the 19th century; the first plantings were in the Bogor Botanical Gardens, and commercial estates followed in North Sumatra. Indonesia is now the world’s largest palm oil producer. The largest planted areas are in Riau, Central Kalimantan, West Kalimantan, North Sumatra, South Sumatra, Jambi and East Kalimantan. Smallholders manage a large share of the area.

Growth habit and rotation

Oil palm is a single-stemmed palm with a crown of large pinnate fronds. Like all palms it has no secondary thickening: the trunk widens early, then mostly grows taller.

Palms start bearing fruit bunches about 3 years after planting. Yields peak in the second decade, then decline as palms grow too tall to harvest efficiently. Plantations are usually felled and replanted after about 25 years. Biomass therefore follows a saw-tooth pattern: building for 25 years, then dropping to near zero at replanting.

Wood density and biomass estimation

Oil palm trunk density varies sharply from the soft core to the denser outer zone and from base to top. A single wood density value does not describe a palm, and the Chave et al. 2014 tree model (AGB = 0.0673 × (ρ × D² × H)^0.976) is not designed for palms.

Use palm-specific allometric equations, which predict biomass mainly from trunk height (ground to the base of the fronds) or palm age. Several have been published from plantations in Southeast Asia. Frond and fruit bunch biomass is large and partly removed during pruning and harvest, so define which components you count. See carbon pools and our allometric equations guide.

The time-averaged carbon stock over a full cycle is the useful number for comparing land uses. It is broadly similar in concept to the long-term average carbon stock used under VM0047 for harvested systems.

Carbon role and land use

• Not a removal project. Planting oil palm is generally not a route to ARR removal credits, and planting on land that was forest after a methodology’s cut-off date breaks eligibility rules.
• Avoided conversion. Protecting forest and peat inside concessions, using High Carbon Stock and High Conservation Value assessments, prevents large emissions.
• Peat. Oil palm on drained peat causes ongoing soil carbon loss and fire risk. See peatland REDD+.
• Restoration of set-asides. Riparian buffers and conservation areas inside estates can be restored with native species as ARR or biodiversity projects.
• Smallholder agroforestry. Mixing oil palm with other trees is being studied as a way to raise carbon and biodiversity in smallholder plots, with mixed results on yield.

Co-benefits and livelihoods

Oil palm supports millions of smallholders and workers and is a major export earner. It gives high oil yields per hectare. Its costs come from forest loss, peat drainage, fires and social conflict over land.

Risks and cautions

• Deforestation and peat. Historic expansion drove forest and peat loss. Any carbon or supply-chain claim needs proof of no conversion after the relevant cut-off date.
• Fire. Drained peat and land clearing with fire caused major haze events.
• Replanting cycles. Stock drops at each replanting.
• Ganoderma. Basal stem rot is a major disease in replanted stands.
• EUDR. Palm oil exports to the EU need plot geolocation and deforestation-free evidence after 31 December 2020. See EUDR palm oil.

Planning notes for project developers

• Map set-asides. Riparian buffers, HCV and HCS areas are where carbon gains are realistic.
• Avoid double claims. Supply-chain emission claims and carbon credits from the same land need careful separation; see avoiding greenwashing.

Worked example

Oil palm cannot be run through a DBH and wood-density tree model. To estimate a palm’s carbon:

1. Measure trunk height to the base of the frond crown (for example, 6 m at about 12 years).
2. Apply a published oil palm equation for trunk and frond biomass.
3. Multiply by the carbon fraction (0.47 is a common default) and 44/12 for CO2e.

Use the tree CO2 calculator for broadleaf trees in buffers and set-asides, and see the ARR hub for restoration options inside estates.