Enica successfully completed a 12-month On-Site Energy Manager engagement at a well-renowned retail space.
Enica successfully completed a 12-month On-Site Energy Manager (OsEM) engagement at a renowned retail space in NYC. Over the course of the project, Enica evaluated the building’s Heating Ventilating and Air Conditioning system and controls to improve operational performance and reduce energy use. By taking a deep dive into the building automation system and working closely with facilities staff and controls contractor, we identified and prioritized practical energy-saving opportunities.
Enica’s 12-month OsEM engagements typically see less than 1-year returns for customers. The customer’s up-front fees could be ~$80k, but most engagements are able to unlock energy savings more than the customer’s upfront fees resulting in appealing financial gains in most cases. This engagement resulted in almost a ~3x return for the customer in year one! Over the next 10 years of annual energy savings, the customer will see approximately $1.5M cost avoidance resulting in almost 25x returns over their initial upfront costs.
Energy Savings Summary
• Annual Energy Consumption: 33,401,067 kWh ; 128,543 MMBtu (District Steam)
• Annual Percentage Energy Savings Identified: 2.0%
• Annual Percentage Energy Savings Implemented: 1.8%
• Electricity Savings Identified: 569,148 kWh/yr
• Electricity Savings Implemented: 396,416 kWh/yr
• District Steam Savings Identified & Implemented: 3,014 MMBtu/yr
• Total Energy Cost Saving Identified: $169,429/yr
• Total Enerfy Cost Savings Implemented: $145,002/yr
• Avoided LL97 Penalties (2030): $59,199/yr
Identified/Implemented Energy Efficiency Measures
• Implement Occupancy Scheduling for Air Handler Units (AHUs), Heating & Ventilation units and Exhaust Fans serving Retail, Base Building and North Offices
• Implement AHU Economizer Mode
• Retail Atrium Daylighting
• Sewage Ejector Pump Replacement
• Parking Garage Supply Fan Optimization
• Parking Garage Exhaust Fans Occupied Minimum Speed Reduction
• Hot Water System Outside Air Temperature Reset Optimization
• Fan Coil Units Nighttime Temperature Setback
• Lower Retail Hot Water System Differential Pressure Setpoint During Unoccupied Periods
Heat Recovery Capital Project
An opportunity was identified to recover the energy in the condenser water loop and reuse it for heating using water source heat pumps.
• Annual District Steam Percentage Savings: 15.4%
• Electricity Consumption: -1,843,091 kWh/yr
• District Steam: 19,736 MMBTU/yr
• Avoided LL97 penalties (2030): $155,514/yr
• Energy Cost Savings: $234,951/yr