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Sector:
Commercial
Barrier:
Partnering with my utility, Financing or paying for a project
Tool type:
Financing
Building Type:
Healthcare, Hospital
Building Size:
Greater than 100,000 square feet
Technology:
HVAC, Chiller Systems, Rooftop Unit, Heating Systems, Controls, Cooling Systems, Lighting, Interior

Solution at a Glance:
Utility Financing Partnership for Hospitals

Overview:

Hackensack University Medical Center (“HackensackUMC”) recognized opportunities to create efficiencies in the hospital operations to reduce utility costs and reduce the hospital’s carbon footprint, but faced a barrier in funding for the efficiency projects. In search of a financing option with minimal capital investment from the hospital, HackensackUMC entered a strategic partnership with its utility company, Public Service Electric & Gas (PSE&G), a wholly owned subsidiary of Public Service Enterprise Group. PSE&G offers a Hospital Efficiency Program that allocates upfront funding for hospitals to implement energy efficiency projects with a buy-down incentive for certain efficiency measures and an on-bill repayment structure at zero percent interest. Once the hospital has repaid the designated portion of the investment, continuous utility savings are invested back into the hospital. The program starts with a free energy audit of the hospital to identify cost-effective efficiency upgrades.

The strategic partnership provided upfront investment for HackensackUMC to complete technical upgrades in a two-phased approach. Phase I, including the installation of a 1500 T chiller, commenced with implementation-ready energy efficiency improvements while a focused study identified additional opportunities. Phase II then proceeded to install the main chiller plant upgrades identified in the study. A third phase to complete campus-wide interconnections into the main chiller plant is now underway. HackensackUMC implemented several energy efficiency measures as part of the partnership, including:

  • Installation of a 1,500 ton chiller
  • Lighting upgrades including 9,600 fluorescent lighting fixtures, 1,100 occupancy sensors, and LED lighting in the parking garages
  • Improved monitoring of natural gas boilers
  • Main chiller plant upgrades including new cooling towers, pumps, header piping, and controls
  • Removing the research building’s RTUs and redirecting the building to the main chiller plant

The overall investment from PSE&G totaled $10.2 million, 43 percent of which HackensackUMC repaid on their utility bills within 36 months of the initial investment. HackensackUMC’s repayment percentage was determined based on the dollar savings experienced from the energy saving measures. The two-phased project is estimated to save $1.06 million annually in utility costs and reduce consumption by 4,219,000 kWh and 218,000 therms annually. Since the start of PSE&G’s Hospital Efficiency Program in 2009, 33 hospitals have participated in making energy efficient improvements that will cumulatively save $13.1 million annually in utility costs.

HackensackUMC’s savings to-date through these initiatives are approximately $1.7 million. Phase 1 should be repaid during Q1 2017; Phase 2 will be repaid by Q1 2019.

The calculation of the 43 percent paid by HackensackUMC was determined by:

  1. Calculating the simple payback in years (cost divided by savings);
  2. Subtracting the number of years of payback that PSE&G will cover through an incentive (maximum covered by PSE&G is seven years; minimum required to be covered by the customer is two years); and
  3. Dividing the total number of years in the simple payback found in step 1 by the remaining number of years to get the percentage of the project cost that the customer will repay.

Example: If the simple payback for a project is 12 years (step 1), PSE&G would cover the maximum of seven years of payback (step 2), and the customer’s portion to repay would be five years divided by 12 years (step 3), or 42 percent. PSE&G would provide an incentive equal to 7/12 of the project cost, or 58 percent.

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