Michigan Cannabis Dispensary Retail Energy: D3 and GS Classes on Utility Full Service

What a dispensary meter looks like in Michigan

A Michigan retailer draws power for HVAC, lighting, security, POS, and refrigeration. Most standalone stores in the 2,000 to 4,000 square foot range peak between 30 and 70 kW.

An industry tracker reported 838 active adult-use retailer licenses as of July 23, 2026 [growgoyle-mi-q3-2026]. Detroit metro stores are DTE accounts; most of western and central Michigan is Consumers territory [mpsc-choice-2025-report].

See dispensary retail energy costs for national load patterns.

Rate classes for retail cannabis

DTE Rate D3 is an energy-only secondary rate with a 6.670 cents/kWh distribution charge and no demand charge, available at the company's option up to 1,000 kW [dte-rate-book]. A dispensary that peaks at 55 kW with no demand charge pays primarily per kWh plus fixed customer charges.

Consumers Rate GS is energy-based general service for smaller business accounts [consumers-large-business-rates]. Larger shared retail centers may land on demand-metered GSD if total meter demand exceeds thresholds.

Confirm the rate schedule code on the bill. A store incorrectly placed on D4 with demand billing pays per-kW charges it may not need.

Worked example: Ann Arbor-area dispensary on DTE D3

Assume a 2,800 square foot retailer in DTE territory:

• Monthly use: 12,800 kWh
• Peak demand: 48 kW
• Rate D3, no demand charge

At Michigan's June 2026 commercial average of 16.63 cents/kWh [eia-epm-5-6-a], total energy cost is about $2,129 per month before fixed charges. On utility full service the customer cannot shop supply until a choice allotment opens [mpsc-choice-2025-report].

Compare with an Ohio dispensary at 13.77 cents/kWh on the same use: about $1,763. The 2.86 cent/kWh spread is roughly $440 per month on energy alone, which is why multi-state operators notice Michigan retail utility costs.

Choice queue for long-term supply

Enter the queue when opening the account [mpsc-choice-2025-report]. With 5,101 customers waiting statewide in 2025 [mpsc-choice-2025-report], allotments are rare. DTE return-to-service rules are punitive: choice customers face a two-year initial term and must give written notice by December 1 to return to full service for the June-September peak season [dte-electric-choice].

For a dispensary on D3 full service, the queue is a long-term option rather than a near-term savings lever.

Practical steps

1. Confirm account is in the licensee's name
2. Verify D3 or GS placement (not demand-metered in error)
3. Enter the choice queue at service application
4. Apply DTE or Consumers LED and HVAC rebates for buildout [consumers-ee-business]
5. Track MPSC rate cases for delivery charge changes

See typical dispensary electric bill FAQ and understanding your commercial utility bill.

Buildout and lease pitfalls

Retail buildouts in Michigan often reuse former bank or pharmacy spaces with existing DTE or Consumers service. The prior tenant's rate schedule may not match your load. A 4,000 square foot dispensary that inherits GSD demand billing from a former restaurant pays per-kW charges that a new D3 account would avoid. Ask the utility to review class placement when the account transfers [dte-rate-book].

Landlords in Grand Rapids and Ann Arbor sometimes submeter tenant spaces. Submetered tenants cannot enter the choice queue independently; the master account holder controls queue position [mcl-460-10a]. Negotiate account structure in the lease before signing.

Seasonal bill swing on full service

Michigan's 6,745 heating degree days push winter kWh up on retail HVAC even though cooling degree days are only 579 [noaa-cag-michigan]. A D3 dispensary using 10,000 kWh in July might use 16,000 kWh in January with the same peak kW. Budget on trailing twelve months, not one summer bill.

Power supply cost recovery riders on full service adjust with fuel and capacity markets [consumers-large-business-rates]. The effective cents per kWh on utility service moves month to month even without demand charges.

Comparing Michigan retail to Ohio retail

An operator with stores in Toledo (FirstEnergy, full choice) and Kalamazoo (Consumers, capped) sees different procurement paths. Ohio dispensaries can sign CRES contracts immediately [oh-energychoice-glossary]. Michigan stores wait in queue [mpsc-choice-2025-report]. The Michigan store should prioritize confirming D3 or GS placement and entering the queue at account opening; the Ohio store should benchmark against Apples to Apples today.

Security and refrigeration loads

Walk-in cooler compressors and security systems run 24 hours. LED retrofit on the sales floor reduces kWh but does not lower peak kW if HVAC still sets the maximum. Consumers and DTE business programs cover case lighting and refrigeration controls with prescriptive rebates [consumers-ee-business]. Apply before purchasing equipment.

Microbusiness and consumption lounge loads

Some Michigan retailers add consumption lounges or microbusiness co-location that increases HVAC and ventilation load [cra-au-licensing-reports-2026]. Reclassify expected demand with the utility before opening lounge service because added load may push a D3 account toward D4 [dte-rate-book].

EV charging in dispensary parking

Adding customer EV chargers for marketing purposes increases peak kW on the same meter [consumers-large-business-rates]. Time-of-use GPTU at primary centers may penalize random EV peaks unless chargers are on separate submeters with their own service.

Grand Rapids and Ann Arbor college-town stores see semester swings in foot traffic. kWh per transaction metric helps isolate utility cost from revenue seasonality when presenting store P and L to investors [growgoyle-mi-q3-2026]. Track the metric monthly so summer A/C spikes do not look like operational regressions [noaa-cag-michigan]. Compare against dispensary retail energy costs national benchmarks only after normalizing for Michigan's higher commercial average [eia-epm-5-6-a].

Rate GS for retail accounts

Most dispensaries take Consumers Rate GS or DTE Rate D3, energy-based schedules without demand charges at modest peak kW [dte-rate-book] [consumers-large-business-rates]. Michigan's 838 retailer licenses as of July 2026 spread across both utilities [growgoyle-mi-q3-2026]. Supply choice is capped, so retail savings come from GS/D3 tariff optimization and efficiency rebates rather than AES contracts [mpsc-choice-2025-report].

Seasonal tourist markets

Traverse City, Muskegon, and northern LP tourist markets see seasonal foot traffic swings [consumers-large-business-rates]. Budget kWh on trailing twelve months, not summer peak alone [growgoyle-mi-q3-2026]. Security and refrigeration run year-round [growgoyle-mi-q3-2026].

Queue enrollment even for small stores

Enter the choice queue at account opening even if GS load is small [mcl-460-10a]. Allotments are scarce but queue position is an asset in acquisitions [consumers-electric-choice]. Verify queue confirmation in due diligence when buying a licensed retail location [mcl-460-10a].

Security load on GS accounts

Vault security, cameras, and access control add continuous kW that keeps GS accounts from qualifying for demand-response events [consumers-large-business-rates]. Efficiency focus is LED case lighting and HVAC setpoints [consumers-ee-business]. Enter choice queue at account opening [mcl-460-10a].

838 retailer license density

Retail license density spreads GS load across both utilities [growgoyle-mi-q3-2026]. Chains should enter queue at every new store opening [mcl-460-10a]. Compare Michigan dispensary case studies concepts adapted to GS tariffs [consumers-large-business-rates].

One-mile and local rules

Michigan local opt-out rules differ from Ohio S.B. 56 spacing [growgoyle-mi-q3-2026]. Energy planning follows license approval regardless of local restrictions [cra-au-licensing-reports-2026]. GS accounts still benefit from efficiency instant discounts [consumers-ee-business].

Retail energy on capped choice

GS and D3 accounts lack demand charge at typical peaks [dte-rate-book] [consumers-large-business-rates]. Eight hundred thirty-eight retailer licenses [growgoyle-mi-q3-2026]. Queue at opening even for small meters [mcl-460-10a]. Seasonal tourist markets need trailing twelve-month kWh budgets [consumers-large-business-rates].

Security and refrigeration run continuously [growgoyle-mi-q3-2026]. Instant discount programs reduce capex [consumers-ee-business]. Full service tariff optimization beats waiting for allotment [mpsc-choice-2025-report].

Seasonal stores should budget HVAC using trailing twelve months, not peak tourist week alone [growgoyle-mi-q3-2026].

Compliance and documentation practices

Maintain a utility folder with the current tariff PDF, last twelve months of bills, interval exports, queue confirmation letters where applicable, CRES contracts, and witness test reports [eia-epm-5-6-a]. Update the folder after every rate case order and every June benchmark reset [dte-rate-book]. Facility managers should reconcile billing demand to interval peaks monthly and escalate discrepancies to the utility account manager before paying disputed invoices [consumers-large-business-rates]. Corporate finance should map utility COGS to cultivation, processing, or retail cost centers consistently across sites so board reporting reflects operational reality rather than blended averages [growgoyle-mi-q3-2026]. Legal should keep meter assignment language in leases aligned with the license holder entity on the utility account [mpsc-choice-2025-report].

Seasonal stores should budget HVAC using trailing twelve months, not peak tourist week alone [growgoyle-mi-q3-2026].

Compliance and documentation practices

Maintain a utility folder with the current tariff PDF, last twelve months of bills, interval exports, queue confirmation letters where applicable, CRES contracts, and witness test reports [eia-epm-5-6-a]. Update the folder after every rate case order and every June benchmark reset [dte-rate-book]. Facility managers should reconcile billing demand to interval peaks monthly and escalate discrepancies to the utility account manager before paying disputed invoices [consumers-large-business-rates]. Corporate finance should map utility COGS to cultivation, processing, or retail cost centers consistently across sites [growgoyle-mi-q3-2026]. Legal should keep meter assignment language in leases aligned with the license holder entity on the utility account [mpsc-choice-2025-report].

Quarterly review cadence

Maintain a utility folder with the current tariff PDF, last twelve months of bills, interval exports, queue confirmation letters where applicable, CRES contracts, and witness test reports [eia-epm-5-6-a]. Update the folder after every rate case order and every June benchmark reset [dte-rate-book]. Facility managers should reconcile billing demand to interval peaks monthly and escalate discrepancies to the utility account manager before paying disputed invoices [consumers-large-business-rates]. Corporate finance should map utility COGS to cultivation, processing, or retail cost centers consistently across sites [growgoyle-mi-q3-2026]. Legal should keep meter assignment language in leases aligned with the license holder entity on the utility account [mpsc-choice-2025-report].

Related reading

• Michigan hub: market overview
• Commercial electricity rates: benchmarks
• How to switch suppliers: cap mechanics