A system, comprising: a gas turbine engine, comprising: a compressor section configured to generate compressed air; a combustor coupled to the compressor section, wherein the combustor is configured to combust a first mixture comprising the compressed air and a first fuel to generate a first combustion gas; a turbine section coupled to the combustor, wherein the turbine section is configured to expand the first combustion gas to generate an exhaust gas; the system being characterized in that it comprises a boiler coupled to the turbine section, wherein the boiler is configured to combust a second mixture comprising a portion of the first combustion gas and a second fuel to generate a second combustion gas that is routed to the turbine section, and wherein the boiler generates a first steam from heat exchange with the second combustion gas; and a steam power plant coupled to the turbine section, the steam power plant comprising: a heat recovery steam generator (HRSG) coupled to the turbine section, wherein the HRSG is configured to generate a second steam from heat exchange with the exhaust gas; and a steam turbine coupled to the HRSG, wherein the steam turbine is configured to drive a load using at least the first steam, or the second steam, or a combination thereof; wherein the HRSG is configured to receive the first steam. a gas turbine engine, comprising: a compressor section configured to generate compressed air; a combustor coupled to the compressor section, wherein the combustor is configured to combust a first mixture comprising the compressed air and a first fuel to generate a first combustion gas; a compressor section configured to generate compressed air; a combustor coupled to the compressor section, wherein the combustor is configured to combust a first mixture comprising the compressed air and a first fuel to generate a first combustion gas; a turbine section coupled to the combustor, wherein the turbine section is configured to expand the first combustion gas to generate an exhaust gas; the system being characterized in that it comprises a boiler coupled to the turbine section, wherein the boiler is configured to combust a second mixture comprising a portion of the first combustion gas and a second fuel to generate a second combustion gas that is routed to the turbine section, and wherein the boiler generates a first steam from heat exchange with the second combustion gas; and a steam power plant coupled to the turbine section, the steam power plant comprising: a heat recovery steam generator (HRSG) coupled to the turbine section, wherein the HRSG is configured to generate a second steam from heat exchange with the exhaust gas; and a steam turbine coupled to the HRSG, wherein the steam turbine is configured to drive a load using at least the first steam, or the second steam, or a combination thereof; a heat recovery steam generator (HRSG) coupled to the turbine section, wherein the HRSG is configured to generate a second steam from heat exchange with the exhaust gas; and a steam turbine coupled to the HRSG, wherein the steam turbine is configured to drive a load using at least the first steam, or the second steam, or a combination thereof;