Peru’s plan to push natural gas beyond Lima is running into a dispute over who should build and pay for the infrastructure, with the College of Engineers warning that adding the projects to Cálidda’s existing concession could weaken competition and shift costs onto users.
Peru gas expansion dispute centers on Cálidda contract

The debate matters because the government wants to accelerate gas access in seven regions — Ayacucho, Ucayali, Junín, Puno, Cusco, Apurímac and Huancavelica — through an investment of more than $550 million and 3,700 kilometers of new networks for as many as 300,000 potential users in 15 localities. How those works are awarded will determine not only the pace of expansion, but also the tariff structure, the return to developers and whether the project becomes a precedent for other regulated concessions.
The Colegio de Ingenieros del Perú argues the new works should be tendered competitively rather than folded into Cálidda’s Lima and Callao contract through an addendum. That distinction is crucial in infrastructure finance: an addendum can preserve continuity and speed execution, but a tender can force price competition, broaden participation and reduce the risk that incumbent advantages get baked into the project economics.
For investors, the issue is not just regulatory formality. If the expansion is awarded to Cálidda under amended terms, the company could secure a larger asset base and longer growth runway, but it may also face closer scrutiny over tariff recovery, the value of residual assets and whether users in Lima and Callao are subsidizing new regional customers. A tender, by contrast, could open the field to other domestic and international builders and weaken the incumbent’s control over one of Peru’s most politically visible energy projects.
The engineers’ group also questioned the discount rate being used to evaluate the investments, saying Cálidda and Transportadora de Gas del Perú were structured around a 12% rate at a time of higher borrowing costs and contrasting that with Peru’s sovereign bond yields below 5%. While those figures are not directly comparable, the complaint signals pressure for a lower-cost framework and could force the government to revisit the economics before approving the expansion.
That makes the project a test case for Peru’s wider gas policy. The administration wants to speed up access to a fuel that can cut household energy costs and support industrial demand, but the financing model will determine who bears the risk and who captures the return. If the state leans on an incumbent concessionaire, it may move faster; if it insists on competition, the rollout could slow but the tariff case may be stronger.
For Cálidda, the outcome will shape whether its distribution franchise remains largely a Lima-centered utility or becomes the platform for a broader regional expansion. For consumers and policymakers, the central question is whether rapid gas rollout can be achieved without cross-subsidies or a precedent that could alter the economics of other BOOT-style concessions.
| Entity | Gains | Losses |
|---|---|---|
| Cálidda | ▲larger concession footprint | ▼tighter tariff scrutiny |
| Regional users | ▲faster gas access | ▼risk of higher tariffs |
| Tender rivals | ▲market entry opportunity | ▼incumbent advantage |
| Government | ▲quicker policy delivery | ▼pressure over contract design |



