Our sustainable energy plan

We’re acting for tomorrow

Meeting our customers’ future energy needs requires action today. That’s why we’re working hard to advance clean energy throughout the communities we serve. So we can continue to sustainably serve all of our customers — well into the future. Ultimately, it’s about finding innovative ways to continue our sustainability journey, operate more efficiently and provide flexible energy resources.

Our goals by 2030:


Renewables will be over 30% of our energy mix


Reduce carbon dioxide (CO2) emissions from fossil-fueled generation by 40%


Decrease water supply needs from fossil-fueled generation by 75%

Our goals by 2050:

Eliminate all existing coal from our energy mix


Reduce CO2 emissions from fossil-fueled generation by 80%

Our strategy will adapt based on future economic developments, as well as evolving energy technologies and trends in the communities we serve.

Five keys to our clean energy transition

We are moving toward a cleaner energy mix and expanding cost-effective renewable resources. We’re also investing in our electric and gas distribution infrastructure, making it stronger, smarter and more adaptable to support evolving energy technologies. Here are all the ways we’re helping our customers and communities Power What’s Next:


Solar energy is clean, renewable and here to stay. What’s more, solar energy is simpler and less expensive to operate and maintain than traditional coal-powered generation. This translates to long-term economic value for customers and the communities we serve.

Our existing and planned solar projects will power hundreds of thousands of homes across Wisconsin. In addition, we’re bringing Community Solar projects to light later this year.


Homegrown, clean and low-cost, wind is well-established in the Midwest. Alliant Energy already operates and purchases power from wind farms across Iowa, Wisconsin and Minnesota – and we plan to add another 280 megawatts of additional owned wind generation for our customers by the end of 2020.

These wind farm investments will provide a variety of revenue streams to local communities and also create well-paying construction jobs.


For nearly a century, we’ve been delivering customers electricity from our hydroelectric dams. We also have purchased power agreements with other hydroelectric facilities across Wisconsin and Iowa, many of which we previously owned, that add to our renewable energy mix.


Electric vehicles have never been more popular – or more sensible. By powering cars, trucks, buses and more with clean energy from the wind and sun, we can further lower fuel costs and reduce emissions. We are excited to be on the leading edge of electrification efforts in communities across the state.


Between year-end 2017 and March 2019, our service areas saw a 46% increase in electric vehicles.

(According to the Electric Power Research Institute)


An electric vehicle being powered by today’s Midwest energy grid already offers a 40% reduction in carbon dioxide emissions. This will increase as we add more clean energy.

Battery storage

Renewable energy sources like solar panels and wind turbines cause ebbs and flows on the energy grid as their production fluctuates. Battery storage units smooth out these fluctuations to meet the needs of customers and avoid costly energy grid rebuilds. One battery storage unit we installed in Iowa can store enough energy to power 650 nearby homes for four hours!

We currently have these types of battery storage systems in place. We are gathering operational data for how to most effectively use the stored power and how to cost-effectively replicate them in other places throughout our service area.

Fiber optic cable

Operating the grid of the future will require more data – and fiber will help us serve customers through new and innovative ways. We are installing fiber optic cabling across our service area to create better, faster and stronger digital highways between our critical facilities.

Want to learn more about our sustainable developments?

Visit Our Corporate Sustainability Report