Bring TOLBY® to Your Classroom

TOLBY is a memorable and fun way for youth to learn about energy efficiency.

Energy Drips

Energy Drips Video

Pull up a chair and watch this video for some simple, practical ways to reduce energy drips in your home and stop paying for energy that you never get to use.

The Minnesota Energy Challenge is an action guide for reducing energy waste in our state. Energy efficiency has never been this FUN and EASY!

State-wide Participants


Each year, Minnesotans save

That's 251,423,727 lbs. of CO2!
Get ideas for easy ways to reduce energy waste in your home.
Join teams to maximize your impact & track your community's pledged energy savings.
Sign up and create your own action plan for reducing energy waste.
Compete against other schools, churches, businesses, and neighborhoods.

Action Guide

Just a few of the fun and easy things you can do to save energy, money, and the environment. See All Actions

Adds Comfort to Your HomeSee All

Keep in the Cold: Central A/C

Close windows and doors to give your central A/C a break during the summer

Upgrade Your Window A/C

Replace your 15+ year old window A/C with a shiny new efficient unit.

Seal Attic Bypasses

Seal attic air leaks allowing heated air to escape from your house into the attic and wreak havoc.

Saves the Most CO2See All

Hung Out to Dry

Get some cheap solar power and dry your clothes outside!

Drive to the Limit

Drive to the speed limit and maintain tire pressure for easy gas savings.

Upgrade Your Fridge

Replace your 15+ year old fridge with a shiny new efficient unit.


Start or join a team with friends, family and neighbors to maximize your impact. See All teams

Top Neighborhood Teams


Longfellow, Mpls

288 Members / $196,241 / 2,035,374 lbs CO2

Phillips, Mpls

244 Members / $45,625 / 498,198 lbs CO2

Linden Hills, Mpls

200 Members / $161,906 / 1,617,569 lbs CO2

Seward, Mpls

166 Members / $100,984 / 1,227,174 lbs CO2

Kingfield, Mpls

131 Members / $61,114 / 753,476 lbs CO2

Top Other Teams


Girl Scouts of Minnesota and Wisconsin River Valleys

417 Members / $102,501 / 3,119,179 lbs CO2

Yards to Gardens

162 Members / $38,266 / 1,154,845 lbs CO2

Bedlam Theatre

104 Members / $36,948 / 539,055 lbs CO2

Archdiocese Global Warming Action Team

96 Members / $95,546 / 947,128 lbs CO2

Park Towers Senior Apartments

95 Members / $2,684 / 55,212 lbs CO2

Top School Teams


Rosemount High School

925 Members / $473,980 / 7,914,885 lbs CO2

Delano Middle School

340 Members / $131,530 / 2,491,778 lbs CO2

St. Paul Academy and Summit School

264 Members / $50,837 / 939,434 lbs CO2

St. Michael School, Prior Lake

250 Members / $112,143 / 1,541,531 lbs CO2

Southwest High School, Mpls

249 Members / $41,255 / 1,374,152 lbs CO2