Qualla: Parnaíba Thermal Power Complex

Parnaíba Thermal Power Complex: Introduction

Sat, 18 Apr 2026 00:00:00 GMT

The Parnaíba Thermal Power Complex runs on gas that never leaves home. Drilling rigs stand within sight of the turbine halls. A pipeline network of 153 kilometers moves natural gas directly from wellhead to generator, one of the shortest supply chains in the global power industry. What Eneva, the company that operates the complex, calls its *Reservoir-to-Wire* model is, in practice, a power plant and a gas field built together as one integrated machine - 1.8 gigawatts of installed capacity, the second-largest natural-gas-fired power station in Brazil, humming away in the interior of Maranhão.

Parnaíba Thermal Power Complex: Sixty Years of Looking

Sat, 18 Apr 2026 00:00:00 GMT

The Parnaíba Basin had been suspected of holding hydrocarbons since the late 1940s, when Brazil's National Petroleum Council drilled two early test wells. Between the 1960s and 1980s, Petrobras and a revolving cast of contractors kept surveying, but the basin was enormous - more ...

Parnaíba Thermal Power Complex: The Day the Gas Appeared

Sat, 18 Apr 2026 00:00:00 GMT

Drilling resumed on 5 July 2010. Five weeks later, on 12 August, OGX announced the discovery of natural gas reserves in well 1-OGX-16-MA in the PN-T-68 block. A second strike followed in the same well on 2 September. Two more discoveries came on 17 and 26 November in the OGX-22 w...

Parnaíba Thermal Power Complex: Four Plants, Then Five, Then Six

Sat, 18 Apr 2026 00:00:00 GMT

The generating side grew in stages. Maranhão III won an A-3 auction held by the national electricity regulator ANEEL in August 2011, under the Parnaíba II name. Parnaíba I - actually a combination of what had started life as Maranhão IV and Maranhão V, each rated at 337.6 MW - wa...

Parnaíba Thermal Power Complex: Reservoir to Wire

Sat, 18 Apr 2026 00:00:00 GMT

Eneva's business model is unusual in the power industry, and it is the reason the Parnaíba Complex exists in this location. The company operates both the gas fields and the power plants, and it runs the plants as dispatchable capacity rather than baseload. That means the complex ...

Parnaíba Thermal Power Complex: What the Towns Got

Sat, 18 Apr 2026 00:00:00 GMT

The five municipalities whose land and subsurface rights feed the complex - Lima Campos, Santo Antônio dos Lopes, Capinzal do Norte, Trizidela do Vale, and Pedreiras - were historically among the poorest in Maranhão. Royalty payments from gas production transformed their budgets....