| CAPEX | capital expenditure | RC | recompression cycle | 
| EES | engineering equation solver | RC-RH | recompression cycle with reheating | 
| HPT | high-pressure turbine | Rc | recompressor | 
| HTR | high-temperature regenerator | REG | regenerator | 
| IC | intercooler | RH | reheating | 
| LCoE | levelized cost of electricity | RHX | reheater | 
| LPT | low-pressure turbine | S | simple cycle | 
| LTR | low-temperature regenerator | S-RH | simple cycle with reheating | 
| MC | main compressor | sCO2 | supercritical CO2 | 
| NETL | National Energy Technology Laboratory | SF | solar field | 
| PC | partial cooling cycle | SR | split ratio | 
| PC-RH | partial cooling cycle with reheating | T | turbine | 
| Pc | precooler | TIT | turbine inlet temperature | 
| PHX | primary heat exchanger | TM | turbomachinery | 
| Pre-C | precompressor | UA | heat exchanger conductance |