Lahendong Unit 5 & Unit 6 Geothermal Project

Multiple Proponents · North Sulawesi · — ha

Flagged

PLTP Lahendong Units 5 & 6 is a 2x20 MW flash-steam geothermal plant in North Sulawesi, owned by Pertamina Geothermal Energy (PGE). Commissioned mid-2010s, supplies firm baseload to PLN's North Sulawesi and Gorontalo grid. Sumitomo Corporation executed EPC December 2014. Distinct from the earlier registered Lahendong II CDM project (ID 2876) whose crediting period expired Dec 2016.

Name
Lahendong Unit 5 & Unit 6 Geothermal Project
Developer
Multiple Proponents
Province
North Sulawesi
Type
Energy industries (renewable/non-renewable sources)
Methodology
ACM0002
Status
Flagged
Integrity score
68 / 100
Registry IDs
Verra VCS1778
Generated
Updated 2026-04-23

What is Lahendong Unit 5 & Unit 6 Geothermal Project?

PLTP Lahendong Units 5 & 6 is a 2x20 MW flash-steam geothermal plant in North Sulawesi, owned by Pertamina Geothermal Energy (PGE). Commissioned mid-2010s, supplies firm baseload to PLN's North Sulawesi and Gorontalo grid.

Who operates Lahendong Unit 5 & Unit 6 Geothermal Project?

Lahendong Unit 5 & Unit 6 Geothermal Project is developed by Multiple Proponents and listed on Verra VCS1778.

What is its integrity score?

68 / 100. Driven down by registry transparency (55) and supported by community flags (75).

Why is it notable?

Latest news. No material third-party news surfaced in the last 12 months in the sources reviewed.

When was this last updated?

This dossier was generated on 2026-04-23 by claude-agent-websearch.

PLTP Lahendong Units 5 & 6 is a 2x20 MW flash-steam geothermal plant in North Sulawesi, owned by Pertamina Geothermal Energy (PGE). Commissioned mid-2010s, supplies firm baseload to PLN's North Sulawesi and Gorontalo grid. Sumitomo Corporation executed EPC December 2014. Distinct from the earlier registered Lahendong II CDM project (ID 2876) whose crediting period expired Dec 2016.

Plant basics Lahendong Units 5 & 6 are a 2x20 MW flash-steam geothermal expansion in the Lahendong Working Area, Tompaso, North Sulawesi, adding to earlier Units 1-4 for a complex total of 120 MW 4. Global Energy Monitor places the units near 1.17N, 124.80E, using single-flash technology. Sumitomo Corporation was awarded the EPC contract for both units in December 2014.

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AI-generated from public sources on 2026-04-23 · confidence: medium-high · model: claude-agent-websearch · Flag inaccuracy

68/ 100

Moderate

Validation & verification70/100
Reversal risk (inverse)70/100
Community & benefit-sharing75/100
Transparency & disclosure55/100

v1 methodology, calibrating. Last computed 2026-06-10.

RegistryExternal IDStatusLast synced
VerraVCS1778flagged08 Jun 2026· Synced 2 days ago

Pipeline — no issuances recorded.

Total retired

No retirements recorded.

Total

1.178

High confidence

0

Nominal confidence

0

View all alerts for this project →

Score computed 2026-06-10 from inputs: alerts last 90 days (1178), high-confidence alerts (0), registries (1), years since validation (7.9).

Methodology v1. Weights: validation recency 25%, reversal risk 35%, community flags 20%, transparency 20%. See full methodology →