Nobody has ever made solar power at night yet, nor wind power when she's in irons. So using these renewable power rigs means having to store some of the energy somehow for low-production times.

Energy Storage Blog Posts

Energy Storage: How Erratic Energy Sources can Meet our Demands

We can store energy in many ways. To use renewable energy sources, whose supply is intermittent compared to our demand, we need to store energy at times of peak production for use when demand is high. To explore the ways we can store energy, read on...

nickel metal hydride battery

Liquid-cooled nickel metal hydride (NiMH) batteries have relatively good power and energy.

Photo credit: Warren Gretz, NREL Staff Photographer

09/14/2013 - 3:18pm

 the Environmental and Energy Technology Council of Maine logoOn September 3, 2013, the Environmental and Energy Technology Council of Maine (E2Tech) released a report entitled, "The Clean Technology Sector in Maine 2013".

06/05/2013 - 4:56pm

Northeast Electrochemical Energy Storage Cluster logoOn April 4, 2013, the Northeast Electrochemical Energy Storage Cluster (NEESC) released a report entitled, “ Read More...

05/13/2013 - 10:31am

the Sustainable Energy Alternatives center at Southern Maine Community CollegeOn May 4, 2013 the Common Ground Learning Solutions and Southern Maine Community College (SMCC) at the South Portland Campus held the Renewable En

03/27/2013 - 11:59am

batteries from Fluidic Energy that keep this telecommunications tower operating through power outages courtesy of MIT Technology ReviewIn dreaming of ways to power our electrical grid with renew

02/06/2013 - 4:24pm

An unusual structure with a wind turbine in Denmark by University of Southern MaineWould you like to see some bold innovations and examples of a nationwide commitment to sustainable energy and resilience?

01/17/2013 - 7:55pm

A wind turbine in MaineThe penetration of wind power in Europe has reached the point where it is becoming difficult to integrate into the power network.

10/04/2012 - 10:15pm

The solar hot water array built by the humble Farmer, Robert Karl Skoglund, of St. George, MaineThey say that two solar tours are better than one, don't they?

09/13/2012 - 5:18pm

Jeff Thaler of E2Tech moderates a senatorial candidates' debate between Angus King, Charlie Summers and Cynthia Dill in Portland, MaineOn September 13, 2012, the Environmental and Energy Technology Council of Maine (E2Tech) hosted a debate

08/29/2012 - 4:11pm

The energy and  shelter area of the common ground country fair in Unity Maine hosted by the Maine Organic Farmers and Gardeners AssociationAre you looking for inspiration for your next energy reform project? O