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Energy ManagementCal Maritime uses about 6,000,000 kWhs of electrical energy per year.  This electricity is purchased from PG&E through bundled service. Electricity is used for operating campus's air-conditioning, lighting, and other office equipment. The average emission factor of the purchased electricity is 0.3 pounds/kWh according to PG&E, campus electricity provider.To achieve carbon-neutrality goal by 2029, sustainability team continues to implement no-cost, low-cost, and cost-effective capital cost energy efficiency measures. The following measures have been implemented that is saving energy, utility cost and carbon footprint :Streetlights and Parking Lot Lights: More than 90 % of streetlights and parking lot lights have been retrofitted with LED lights. 250 watts Metal halide lamp fixtures were replaced with 70 watts LED fixtures.

Number of lights retrofitted

Old lamp type and wattage ( Metal Halide)

 

New lamp type and wattage (LED)

50

250

70

 

Computers and Office Equipment: Sleep mode is standard on computers & copy/printers campus-wide.  We encourage students, staff and faculty to switch off computer monitors and lap-tops completely when not use

Greening as they burnout: The maintenance team replaces all burned out inefficient lamps with new more efficient LED lamps. Burned out non-LED lamps are replaced with LED lights.

 

Occupancy sensors installed in classrooms and offices keep lights off when they are not needed.

                                                     

The picture above if of many occupancy sensors installed

 

A comprehensive lighting energy audit is completed and LED lighting solutions have been identified. Upon execution of the findings 95% of the campus lighting would have been converted to energy efficient LEDs, saving more than 350,000 kWhs a year, and reducing 105,000 pounds of CO2.

 

HVAC energy audit has been conducted identifying opportunities to replace existing thermostats with programmable thermostats.

The following initiatives contributing to operating cost reduction and carbon- neutrality are in progress:

  1. Academic Clean Microgrid:  Cal Maritime Sustainability team is exploring cost effective strategies to make the campus independent of grid power.  In this initiative, clean power will be generated onsite with multiple technologies including PV Solar, Solar Thermal, Wind Power, Energy Storage Battery, and Marine Hydrokinetic technologies, showcasing several zero emission technologies for academic purposes. Energy Conservation measures in lighting and HVAC will also be identified and implemented.  The campus will also be prepped for participating in Demand Response program. Innovative and creative financing mechanism are also being evaluated to minimize financial burden on general fund. This initiative will make our campus operation carbon neutral.

                                   

      The goals of this project are to demonstrate how a standardized microgrid design integrating multiple DER components can contribute to meeting California's RPS targets and GHG reduction mandates, while meeting stringent cyber-security requirements and accelerating commercial viability of microgrids.

 

To achieve these goals, this project includes the following objectives:

•     Evaluate the need to create resilient and disaster-readiness infrastructure through low-carbon microgrid systems that utilize renewable-rich behind-the-meter DERs assets

•     Develop and evaluate microgrid communication architectures that are modular, scalable, reconfigurable, and cyber-secure to enhance system, both from microgrid owner as well as grid operator standpoints

•     Evaluate the benefits of the proposed adaptable business cases, standardized microgrid configurations and package offerings to develop a repeatable microgrid "product" and an economic scale that will further reduce cost and increase value

•     Evaluate how the benefits of the proposed building-block-like approach streamlines the engineering, procurement and construction process to enable wider adoption for microgrids within cities and communities

•     Explore how microgrids deployed in urban disadvantaged communities can increase resiliency while simultaneously providing economic, environmental and reliability benefits

 

 

  1. Campus-wide LED Lighting Upgrade:  Sustainability and Facility teams have identified all inefficient lighting fixtures and proposed efficient LED lighting solution. A total of 2,600 lamps will be replced with LED lamps resulting in a KW savings of about 114 KW and an annual energy savings of 370,000 kWhs. This project will also result in maintenance cost savings and annual CO2 reduction of 111,000 Pounds. This project will save about 5 to 10% of campus energy consumption, and about 10% of peak load reduction.  Zero percent interest loan offered by PG&E and 1% loan offered by California Energy Commission (CEC) is being explored to fund this project.

 

  1. Marine Hydrokinetic Power (MHK)

Cal Maritime's MHK advisory team is working with Cross Border Solutions Company in identifying the feasibility of generating Hydrokinetic power from Cal Maritime waters.  This study will indicate how much zero emission power can be generated from Cal Maritime waters, how much can be used by the campus and how much can be sold back to PG&E or neighbors Chevron and City of Vallejo.  This preliminary study is of no cost to Cal Maritime.

 

 

  1. Cal Maritime Climate Action Plan:

Cal Maritime Sustainability team is developing a Climate Action Plan (CAP) as part of Campus Energy and Sustainability Policy aligned with Campus Master Physical Plan. The CAP is a working document detailing CSUs Sustainability policy and actions taken to achieving a carbon free campus, enhance sustainability programs in curriculum, supporting communities in their carbon reduction goals. This report will include a baseline study of our campus carbon footprint; a target date for achieving carbon neutrality and zero carbon; interim target dates for meeting milestones; recommended changes to campus operations and facilities; mechanisms and indicators for tracking progress.

 

  1. Clean/Renewable Energy:

 

Cal Maritime conducted field survey to identify the maximum potential of generating clean energy through PV panels and Wind turbines. It is estimated about three-fourth of the campuses' power demand. The PV panels installation locations are selected roof-tops, floor mounts, and parking structures. Solar thermal projects are also being evaluated.  Options are being evaluated to pursue the installation of on-site clean energy projects separately or as part of Clean Microgrid project.

Other technology defined as Marine Hydrokinetics is also being evaluated to identify the potential of generating clean energy from the water near the campus.

 

 

                                   

Natural Gas:

 

Cal maritime purchases about 160000 therms of natural gas from PG&E each year. The gas is used for hot water boilers and for the Kitchen in the dinning center. Replaced three hot water boilers with new energy efficient units and advanced controllers. Changing of inefficient showerheads to ultra-low flow shower heads will save water consumption and hot water heating energy that comes from natural gas.


 

 


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Last updated: 7/16/20