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 251,101,320 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 CERT Teams


Metro CERTs

231 Members / $44,250 / 1,527,074 lbs CO2

Southeast CERT

66 Members / $15,803 / 398,628 lbs CO2

Southwest CERT

62 Members / $14,230 / 427,371 lbs CO2

West Central CERT

14 Members / $14,696 / 175,188 lbs CO2

Central CERT

12 Members / $13,117 / 156,787 lbs CO2

Top Congregation Teams


St. Joan of Arc

452 Members / $308,349 / 3,138,092 lbs CO2

First Universalist Church, Minneapolis

281 Members / $111,097 / 2,126,490 lbs CO2

Basilica of St. Mary, Minneapolis

267 Members / $185,429 / 1,746,450 lbs CO2

Bethel Lutheran Church, Northfield

184 Members / $85,744 / 993,552 lbs CO2

Unity Church, Unitarian, St. Paul

173 Members / $66,028 / 1,428,432 lbs CO2

Top Environmental Group Teams


Phillips Community Energy Cooperative

934 Members / $123,451 / 1,679,129 lbs CO2

Do It Green! Minnesota

241 Members / $55,815 / 966,410 lbs CO2

Sierra Club

117 Members / $115,246 / 1,250,649 lbs CO2

Linden Hills Power & Light

110 Members / $76,494 / 780,777 lbs CO2

Clean Water Action

79 Members / $43,191 / 469,917 lbs CO2