• Grid Connected Solar Power Systems at LCPS

    LCPS' commitment to installing solar arrays on school roof  tops has increased our commitment to lessening LCPS's environmental impact by allowing a lower reliance on fossil fuels. PV panels composted of photoelectric cells convert light directly into electricity. This is known as renewable energy.  PV systems generate energy from sunlight during the day. This energy goes into an inverter which converts the DC current into AC current, similar to that of the grid. This solar electricity current can then power all the computers, lights, plug loads in the school. Power comes directly from the solar inverter and any leftover electricity can then feed back into the grid. Each school with a solar array will have a lower electric utility need. If a facility needs more electricity than the grid connected solar system produces, that power will simply come from the main distribution grid. On the other hand, if more energy is produced than what is used, a credit for the surplus electricity will be applied to the electric bill. The links on the right will show real time solar generation for each school listed.  

    LCPS has a goal of installing 25.2 MW- DC of solar arrays across 53 buildings.  The buildings below in red are currently under construction.


J L Simpson MS Renewable Energy Project

  • LCPS partnered with CMTA Energy Solutions to implement a guaranteed energy savings contract, this included a 592.5kW solar photovoltaic array.  This array will offset 75% of the school's total electric usage! 

    The recently replaced roof made this school a perfect candidate for Loudoun County Public School’s first large solar installation.  Another major objective of this project was the renovation to LED lighting throughout the building.  The new LED lighting installed to date has already completely changed the look of the facility.  Occupancy sensors will be installed in strategic locations to control the new lighting and dimming controls will be installed in all instructional and office spaces.  The dimming controls allow the staff to adjust the light levels according to their specific needs.  Additional project improvements are listed below.

    JL Simpson Middle School Project Summary

    • 592.5 kW PV Solar Array
    • Full LED Lighting Renovation
    • Controls Retro-Commissioning
    • Transformer Replacement
    • Building Envelope Improvements
    • Refurbish Dedicated Outdoor Air Equipment
    • Water Efficiency Upgrades
    • Bunsen Burner Fuel Conversion to Natural Gas from Propane
    • Utility Meter Elimination
    • Domestic Water Heating Improvements
  • In 2013 a photovoltaic solar array that is composed of 72 solar panels that have a nominal output of 9995 Watts was installed at JM Lunsford MS.  There is a also a passive solar water heating array composed of 16 solar collectors that have a nominal output of 216,200 BTU/hour. To compliment this LCPS installed a passive solar water heating system composed of one solar collector that has a nominal output of 9,092 BTU/hour

     The total generation capacity of the on-site renewable energy estimated to serve 1% of the total energy used at Lunsford MS. Check out the dashboard which provides real time energy information reagarding this solar installation. You can also view greenhouse gases avoided by utilitzing renewable energy.

Last Modified on January 25, 2023