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BMU warehouse and office lighting

 

In November 2010, the City of Berea received a $125,000 grant to make strategic energy-saving investments at the community level. City officials chose to focus on municipal utility operations.

 

The City of Berea owns Berea Municipal Utility (BMU) which provides electricity, water and sewer services for many households and businesses in and around the city. From MACED’s Energy Efficient Enterprises (E3) team, the city obtained an electricity billing analysis and walkthrough assessment. E3’s energy specialist helped the city identify energy and cost savings. It was clear that the highest wattage warehouse lights that were used the most hours per day needed to be retrofitted. This led to a lighting upgrade at the BMU building that greatly reduced electricity use and cost. Fortunately, the grant money covered the cost of replacing all of the office and warehouse lighting at BMU.

 

In September 2011, ESE Electrical was awarded the city contract to upgrade BMU’s office lighting for $28,812 and the warehouse lighting for $19,876. The following upgrades were implemented:

 

Warehouse
Upgrade 280 fixtures from 4-lamp T12 fluorescents to 4-lamp T8 fluorescents which use 85 less watts per fixture. Estimated annual cost savings: $4,587.
Upgrade 200 fixtures from metal halide to 4-lamp T5 fluorescents which use 200 less watts per fixture. Estimated annual cost savings: $20,705.


 

Office Lighting
Upgrade 280 fixtures from 4-lamp T12 fluorescents to 4-lamp T8 fluorescents which use 47 less watts per fixture. Estimated annual cost savings: $3,182.
Upgrade 20 fixtures from 2-lamp T12 fluorescents to 2-lamp T8 fluorescents which use 25 less watts per fixture. Estimated annual cost savings: $107.
Upgrade 2 fixtures from 3 bulb incandescents to 3 bulb CFLs which use 14 less watts per fixture. Estimated annual cost savings: $4.


In total, BMU anticipates saving $28,587.10 annually!