Commercial Electricity for Pharmacies in Texas
What a Texas pharmacy pays for power - long-hours retail lighting, HVAC, and refrigeration for medications and front-store cases - plus how to lower the bill.
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Texas has over 3,100 pharmacies and drug stores, from independents to large chain locations open long hours. Their electric bills are led by retail lighting and HVAC, with meaningful refrigeration for medications and front-store cases. Below is what pharmacies use and pay. See related guides for grocery stores and clothing stores, or browse all commercial electricity guides by business type.
Key Takeaways
- A typical Texas chain drugstore uses about 15,000–30,000 kWh a month (roughly $1,250–$2,500 at ~8.3¢/kWh); independents use much less.
- Lighting and HVAC lead the bill, with refrigeration a meaningful third.
- Long operating hours make lighting a steady, all-day load.
- Medication cold storage and front-store cases add refrigeration on top of retail loads.
- LED, HVAC upgrades, and a fixed rate are the biggest levers.
What Pharmacies Pay for Power
Figures are estimates for a typical chain location. See methodology and sources below.
What Drives a Drugstore's Power Bill
A pharmacy is a retail store that stays open long hours, so lighting and HVAC run most of the day. On top of standard retail loads, pharmacies carry refrigeration for temperature-sensitive medications and front-store beverage and food cases.
Estimated usage & bill by pharmacy type
| Pharmacy type | Approx. sq ft | Monthly usage | Est. monthly bill* |
|---|---|---|---|
| Independent pharmacy | ~3,000 | 5,000–9,000 kWh | $400–$750 |
| Chain drugstore | ~12,000 | 15,000–30,000 kWh | $1,250–$2,500 |
| Large / 24-hour store | 15,000+ | 30,000–45,000+ kWh | $2,500–$3,700+ |
*Electricity portion at Texas's ~8.3¢/kWh average commercial rate. 24-hour stores and those with large refrigerated sections land at the high end.
How does the Texas commercial rate compare?
Texas businesses pay an average of about 8.3¢ per kWh - roughly 38% below the U.S. commercial average of ~13.5¢. Because Texas is deregulated, you can shop the supply portion of your bill across 30+ retail providers and lock in a fixed rate - compare current commercial electricity rates.
Lights, Air, and Cold Storage
Retail lighting and cooling lead a pharmacy's bill, with refrigeration adding a steady load that a typical clothing or general store doesn't carry.
| System | Why it draws power | Approx. share | Est. cost / month* |
|---|---|---|---|
| Lighting | Sales floor, pharmacy counter, exterior - long hours | 30–40% | $540–$720 |
| HVAC | Cooling the store through Texas heat | 25–30% | $450–$540 |
| Refrigeration (medications + coolers) | Cold storage for drugs plus front-store cases | 15–20% | $270–$360 |
| Front-store cases & freezers | Beverage and grab-and-go refrigeration | 8–12% | $145–$215 |
| Office, POS & pharmacy systems | Registers, computers, dispensing systems | 8–12% | $145–$215 |
*Illustrative split of a ~$1,800/month chain-store bill. Stores with more refrigerated and frozen sections shift toward refrigeration.
Long Hours and the Demand-Charge Peak
Most of your bill is energy — the total kilowatt-hours (kWh) you use over the month. But many commercial accounts also carry a demand charge, billed on your single highest peak of power draw, measured in kilowatts (kW), usually over a 15-minute interval. It doesn't matter only how much electricity you use, but how fast you use it at your busiest moment.
How to keep demand charges down
- Convert to LED to cut a load that runs most of the day.
- Pre-cool and stage HVAC so rooftop units don't all peak at once.
- Maintain refrigeration so compressors cycle efficiently.
- Watch your interval data to find the monthly peak.
Demand Response for Retail Pharmacies
Demand response is a program where businesses agree to reduce their electricity use for short windows when the Texas grid (ERCOT) is under strain — typically late afternoons on the hottest summer days. In exchange, participating businesses earn payments or bill credits.
Where Pharmacies Cut Energy Costs
- Lock in a fixed commercial rate. Comparing 30+ Texas providers at the right time is usually the biggest single lever.
- Convert to LED. LED sales-floor and exterior lighting cut a steady, long-hours load.
- Upgrade and maintain HVAC. Efficient rooftop units and smart thermostats tame the second-biggest cost.
- Maintain refrigeration. Clean coils and tight seals keep medication and front-store cooling efficient.
- Add lighting controls. Daylight and occupancy controls trim lighting in back and stock areas.
- Review demand and interval data. Knowing your peak kW shows whether a different rate structure would save money.
Related Commercial Electricity Guides
Frequently Asked Questions
How much does electricity cost for a pharmacy in Texas?
A typical Texas chain drugstore uses about 15,000 to 30,000 kWh per month and pays roughly $1,250 to $2,500 at the state's average commercial rate of about 8.3¢ per kWh. Independent pharmacies use much less; 24-hour stores use more.
What uses the most electricity in a pharmacy?
Lighting and HVAC lead the bill because the store is open long hours, followed by refrigeration for temperature-sensitive medications and front-store beverage and food cases.
What is the average commercial electricity rate in Texas?
Texas businesses pay an average of about 8.3¢ per kWh as of 2026, roughly 38% below the U.S. commercial average of about 13.5¢. Your actual rate depends on your ZIP code, utility (TDU), usage, and when you sign your contract.
How can a pharmacy lower its electricity bill?
Convert to LED, upgrade and maintain HVAC, keep refrigeration efficient, add daylight and occupancy lighting controls in back areas, and lock in a competitive fixed commercial rate.
Do pharmacies pay demand charges?
Often yes. When full lighting, HVAC, and refrigeration run together on a hot afternoon, the peak in kilowatts is billed by a demand charge across the whole month, so flattening it lowers the bill.
What is demand response and can a pharmacy earn from it?
Demand response pays businesses to reduce use during short grid-peak windows. A pharmacy can keep medication refrigeration untouched while pre-cooling and easing HVAC and non-essential lighting for a short window in exchange for bill credits.
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Get a Free Quote Call 866-284-9272Methodology & Sources
Business count: U.S. Census Bureau, County Business Patterns 2023 - 3,146 pharmacies and drug stores (NAICS 446110) in Texas. Average commercial rate: EIA / state commercial averages (Texas ~8.3¢/kWh; U.S. ~13.5¢/kWh, 2026). Usage and the energy-user split are estimates that vary by size, hours, and refrigerated sections. Bills are electricity-only and exclude taxes, fees, and account-specific demand charges.
