| AC | Alternating Current |
| AMI | Advanced Metering Infrastructure |
| ANN | Artificial Neural Network |
| ARC | Aggregators or Retail Customers |
| AS | Ancillary Services |
| BEMS | Building Energy Management System |
| biPV | Building-Integrated PhotoVoltaic |
| CHP | Cogeneration of Heat and Power |
| CO2-eq | Carbon Dioxide Equivalent Emissions |
| COP | Coefficient Of Performance |
| CPP | Critical Peak Pricing |
| CSP | Curtailment Service Provider |
| Cv | Coefficient of Variance |
| DA | Day Ahead |
| DARTP | Day-Ahead Real-Time Pricing |
| DC | Direct Current |
| DEMS | District Energy Management Systems |
| DER | Distributed Energy Resources |
| DG | Diesel Generator |
| DHW | Domestic Hot Water |
| DR | Demand Response |
| DRP | Demand Response Providers |
| DSM | Demand Side Management |
| DSO | Distribution System Operator |
| EED | Energy Efficiency Directive |
| EER | Energy Efficiency Ratio |
| EMS | Energy Management System |
| ESCO | Energy Service COmpany |
| FC | Fuel Cell |
| GA | Genetic Algorithm |
| HRES | Hybrid Renewable Energy System |
| HVAC | Heating, Ventilation and Air Conditioning |
| ID | Integrated Design |
| IoT | Internet of Things |
| IPMVP | International Performance Measurement and Verification Protocol |
| MAPE | Mean Absolute Percentage Error |
| MBE | Mean Bias Error |
| MILP | Mixed Integer Linear Programming |
| MINLP | Mixed Integer NonLinear Programming |
| MIP | Mixed Integer Programming |
| MPPT | Maximum Power Point Tracking |
| MT | Micro-Turbine |
| NARX | Nonlinear AutoRegressive ANN with eXogenous input |
| NIST | National Institute of Standards and Technology |
| NZEB | Near-Zero Energy Building |
| OpenADR | Open Automated Demand Response |
| PMV | Predicted Mean Vote |
| PPD | Percentage of People Dissatisfied |
| PSO | Particle Swarm Optimization |
| PV | PhotoVoltaic |
| RES | Renewable Energy Sources |
| RH | Relative Humidity |
| RMSE | Root Mean Squared Error |
| RTO | Regional Transmission Operator |
| RTP | Real-Time Pricing |
| SaaS | Software as a Service |
| SDG | Sustainable Development Goal |
| ToU | Time of Use |
| VEN | Virtual End Node |
| VTN | Virtual Transfer Node |
| WT | Wind Turbine |
| ZEB | Zero Energy Building |
