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Connecticut cost analysis

How Much Does It Cost to Grow Cannabis at Home in Connecticut?

Connecticut electricity runs 25.8¢/kWh — we factor that into every calculation below. Spoiler: growing beats buying for most home growers.

Electricity rate

25.8¢/kWh

High — New England regional rates

Plant limit

6 plants

per household

Dispensary price

$320/oz

avg. retail

Home-grow cost

~$25/oz

all in, all tiers

Three Tiers of Home Grow Cost in Connecticut

Budget (2x2)

2x2 tent · 4 oz/harvest

Startup equipment$400
Annual electricity$275
Seeds + nutes (yr)~$200
Annual yield16 oz
Cost per oz$30

First-year savings

$4,245

vs $5,120 at dispensary

Full 2x2 tent setup →
Most popular

Standard (2x4)

2x4 tent · 10 oz/harvest

Startup equipment$800
Annual electricity$459
Seeds + nutes (yr)~$200
Annual yield40 oz
Cost per oz$16

First-year savings

$11,341

vs $12,800 at dispensary

Full 2x4 tent setup →

Premium (4x4)

4x4 tent · 20 oz/harvest

Startup equipment$1400
Annual electricity$918
Seeds + nutes (yr)~$200
Annual yield80 oz
Cost per oz$14

First-year savings

$23,082

vs $25,600 at dispensary

Full 4x4 tent setup →

What's Different About Growing in Connecticut?

High — New England regional rates. Your electricity cost is a baseline driver — higher than average states like California and New York mean a few hundred dollars more per year in power costs. Offsetting factors: Connecticut's dispensary prices (averaging $320/oz) determine how fast your grow pays for itself.

Connecticut Cannabis Legalization (SB 1201) allows up to 6 plants per household, which sets an upper limit on how much you can legally grow. Most home growers run fewer plants but bigger — 4 plants in a SCROG yields more than 8 plants crowded together.

Our assumptions (click to expand)

• Electricity: Connecticut residential average of 25.8¢/kWh (EIA data)

• Light runs 18/6 in veg, 12/12 in flower — averaged to 15 hours/day

• 30% power overhead added for fans, accessories

• 4 harvests/year (perpetual setup) with autoflowers or photoperiods rotating

• Yield estimates are median — experienced growers hit the high end, first-timers the low end

• Nutrients, seeds, and consumables estimated at $200/year (more if you buy premium seeds)

• Dispensary price: $320/oz average retail in Connecticut

• First-year savings assume you use or value everything you grow. Your mileage will vary.

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