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District sustainability update highlights utility savings, solar purchase plan and electric bus

Chapel Hill-Carrboro City Schools Board of Education · November 21, 2024
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Summary

Facilities staff reported decreased electric, natural gas and water usage across several schools, estimated near‑term operational savings of about $150,000 from controls and operational fixes, a plan to buy solar arrays for two schools using an Orange County climate grant, and the imminent delivery of an electric activity bus.

Facilities staff presented the district’s annual sustainability update, reporting measurable reductions in electricity, natural gas and water use and a suite of operational and capital strategies to reduce costs and emissions.

"This is just under a $150,000 in immediate savings by doing things that are simple," the facilities presenter told the board when describing operational fixes such as adjusting building automation schedules, correcting programming errors and conducting on‑site energy audits. The district described targeted inspections at its largest energy consumers and said it found sporadic equipment and programming issues that were corrected.

Facilities staff described a decision to purchase — rather than lease — the first large solar arrays for Northside and Morris Grove using an Orange County climate change grant so the district will not carry the long‑term lease cost. The presenter said the district expects to "get over $650,000," with a projected return on investment in the first three years; the transcript records that number as a district projection tied to the county grant and purchase approach.

Other highlights included completed and ongoing LED conversions, campus energy audits, waste‑diversion figures (recycling ~67.8 tons; cardboard ~76 tons; e‑waste 21 tons) and plans to replace some gas‑powered grounds equipment with battery‑powered models. The district also said it expects delivery of its first electric activity bus from the vendor within four to five weeks.

Board members asked about partnerships with towns and Orange County for grants and shared procurement, clarification on energy charts (square footage versus dollars per square foot), and how older schools are being managed operationally while awaiting capital replacement. Facilities staff explained that some charts compare total consumption to building footprint (not efficiency per square foot) and reiterated that underutilized buildings can show higher energy use per square foot.

The district framed many dollar figures as estimates and projected savings and committed to continued monitoring, further energy modeling and pursuit of grants for solar and electric buses.

Next steps: Facilities will proceed with the solar purchase using the Orange County climate grant, continue campus energy audits, pursue additional grants for electric buses, and report updates and measured savings to the board in future operational reports.