What is renewable energy?

Renewable energy is energy from sources that are naturally replenishing but flow-limited. They are virtually inexhaustible in duration but limited in the amount of energy that is available per unit of time.

• Wind

• Solar
• *Definition of solar installations:  Rooftop solar: individually owned, and sized according to onsite electricity use; Community solar: distributed asset, generally smaller than 50 acres, and based on subscription. Utility-scale solar may be owned either privately or by a corporation, and is usually larger than 100 acres and is required to be ‘grid connected for long-distance transmission. 

*Find a list of solar companies in Denver & Colorado here

*Learn more about solar energy & saving with solar energy here: Save On Energy/Solar Energy Overview

• Biomass—includes:

• • Wood and wood waste

• • Municipal solid waste

• • Landfill gas and biogas

• • Ethanol

• • Biodiesel

• Hydropower

• Geothermal

Learn more about Colorado’s Renewable Energy potential:

Colorado Energy Office 

Wind and Solar is now cheaper in Colorado than existing coal plants

Xcel Energy Renewable Options – information here

Green Energy Credits: 

Purchase your own green energy credits to offset your emissions

Water heating systems (to go electric with your water heater): 

Tempra Tankless Electric Water Heaters (electric water heating system)

Accelera Heat Pump Water Heaters

Geothermal Heating Systems: 

Climate Master Geothermal Heat Pump

Solar Thermal:

COSSA – insights on thermal 

CRES: Solar Thermal Roadmap

Green Transportation

Conservation Colorado Green Transportation Project

Storing Electricity

•        Pumped Storage  
•        Energy Storage Tower  
•        Compressed air
•        Flow batteries  
•        Batteries  
•        Superconducting magnetic  
•        Flywheels  

·         Hydrogen