economy
May 5, 2026
Mineros S.A. achieves key environmental certification for Porvenir Project in Nicaragua and now has six permits
Portafolio Journalist 05.05.2026 10:51 Updated: 05.05.2026 10:51
TL;DR
- Mineros S.A.'s Porvenir Project in Bonanza, Nicaragua, received an environmental certification for its processing plant and tailings deposit from the Attorney General's Office.
- This is the sixth key regulatory approval for the underground polymetallic project.
- The project still has pending permits for wastewater discharge and additional forest authorizations, expected by Q4 2026.
- The Porvenir Project is designed as an underground polymetallic operation producing copper-lead and zinc concentrates, along with gold and silver.
- The project includes a processing plant with a capacity of 2,500 tons per day and a tailings deposit designed to international standards.
- Financial projections from the 2026 pre-feasibility study indicate a Net Present Value (NPV) of US$460 million and an Internal Rate of Return (IRR) of 37.9%.
- Initial investment is estimated at US$206.8 million, with an all-in sustaining cost (AISC) of US$1,295 per gold equivalent ounce.
- The estimated mine life is 9.2 years, with potential for extension.