Renewable Energy Resources
Generating renewable energy is an essential part of building a sustainable energy system. On this page, uncover more about renewable energy sources, including wind, sunlight, waste plastic, and biomass. Access educational resources on high-efficiency homes, organic waste to energy production, and solar energy leases.
Renewable Energy Sources
Renewable energy is energy derived from replenishing natural sources. Trees are one of the most popular and useful renewable energy resources. Wood energy can be utilized in numerous ways, including pelletizing. While most pellets in use today are made from wood, biomass grass pellets from switchgrass and other perennials could be an exciting new opportunity for farmers in the US.
Wind is another natural energy resource that has quickly been growing in popularity among Pennsylvanians. Wind energy systems typically generate electricity through windmill turbines that range from small wind turbines for homes to large units that soar hundreds of feet in the air.
Other popular types of renewable energy sources are hydro energy, tidal energy, geothermal energy, and biomass energy. Find further information and learn about emerging opportunities in bioenergy and renewables with Penn State Extension.
Solar Energy and Solar Leases
Sunlight is one of the most important sources of renewable energy. One of the main solar energy advantages is that sunlight is an abundant resource that is not finite or exhaustible.
Generally speaking, there are two main types of solar energy systems – photovoltaics and thermal. Solar photovoltaic systems use various methods, including silicon panels, to convert solar radiation to electricity. Thermal systems aim to store heat from the sun via active systems (such as solar hot water heaters) or passive systems (such as buildings that automatically store and utilize solar energy).
With utility-scale solar electricity projects expanding across the States, many landowners are faced with the decision of whether to lease their land for solar energy development. Leases can provide extra income to landowners; however, it’s worth noting that this leasing decision can affect the property in the long-term.
Penn State Extension provides property owners with a number of educational resources on solar leasing. Webinars and workshops are available on how to ensure a good lease deal, as well as what to consider before signing a lease for solar development.
Waste to Energy
Bioenergy, or biomass energy, is energy derived from organic matter that can be used to fuel vehicles, as well as produce heat and electricity. While wood is among the best-known biomass energy sources, bioenergy can be generated by using other resources, such as materials that would otherwise go to waste. Resource recovery is an important step towards reducing the volume of waste entering the landfill while gaining valuable energy.
What’s more, converting waste to energy provides the US with an excellent opportunity to increase sustainability and grow new business ventures. Potential waste streams include food processing waste, urban wood waste, and waste plastic. Additionally, by utilizing an anaerobic digester to convert manure to energy, animal waste can be used as an alternative energy source for many livestock farmers, as well.
On this page, find comprehensive information on renewable energy sources. Topics include, among many others, manufacturing fuel pellets from biomass and producing waste biogas from stackable materials. An online course on applied biogas technology is also available. The course teaches the basics of biogas, allowing participants to learn how it’s produced, as well as its advantages over fossil fuel.
- Webinars
Free
Fixing Mechanisms Of Plug Job Failures
When 10/20/2026Length 1 hourExplore ways to enhance Portland cement and evaluate alternative materials by examining the mechanisms that contribute to plug failures. - Articles
Wind Energy in Pennsylvania
Contemporary wind energy involves the conversion of kinetic energy in the wind into electricity via wind turbines. - Articles
Wood Energy
To develop renewable energy resources in PA forests, it is essential to understand the how these trees can be harvested in a sustainable way with minimal impact on forest ecosystems. -
- Articles
Understand the Constraints of Wind Farming
You have probably heard about some farmers who have cashed in on selling the wind rights from their farms. How can you do the same? - Articles
The Origins and Meaning of Net Metering
The legal mandate that led to widespread deployment of net metering in Pennsylvania, has had a profound effect on renewable electricity today. - Articles
Solar Energy
The sun is probably the most important source of renewable energy available today. - Articles
Field Crops for Energy
Demands for sustainable, renewable energy sources will likely require the development of new cropping systems. - Articles
Energy from Trees!
Pennsylvania's forests are rich in potential bioenergy from small-diameter trees that are overcrowded and under-utilized. -
- Articles
Centralized Digesters
There are a variety of manures and other types of organic materials that can be successfully used in agricultural anaerobic digesters to control odor and produce biogas. - Articles
Biogas Safety
Anaerobic digestion systems and associated manure storage and handling present many safety hazards. - Articles
Basics of Anaerobic Digestion
An anaerobic digester is an air tight, oxygen-free container that is fed an organic material, such as animal manure or food scraps. - Articles
Digester Terminology, Abbreviations and Units
Commonly used terminology, abbreviations, and units that you may encounter when utilizing biogas and/or anaerobic digestion. - Articles
Anaerobic Digestion: Biogas Production and Odor Reduction
Controlled anaerobic, or oxygen-free, digestion of animal manure is a way to treat manure to prevent foul odor production while generating a usable energy product. - Articles
Environmental Impacts of Grid-Scale Solar Development
This section addresses baseline environmental assessment prior to construction. - News
Penn State Extension hosts 2026 Anaerobic Digestion on the Farm Conference
Date Posted 7/6/2026Farmers and ag professionals from across the country met June 9-11, 2026 at the Penn Stater Hotel and Conference Center to share latest discoveries and innovations in on-farm biogas production. - Articles
Harnessing Renewable Energy: A Sustainable Future for Farming
In this article, we will explore these renewable energy options and delve into how they positively impact the economics of the farming industry, along with possible funding opportunities. - Articles
Ordinance Considerations for Grid-Scale Solar Development
Our primary goal with this guide is to explain the emerging grid-scale solar energy development trends occurring in the Commonwealth and what might be expected in the next few years. - Tools and Apps
On-Farm Digester Assessment Tool
Use this spreadsheet to estimate the economic returns from an on-farm anaerobic digester. - Articles
Grid-Scale Solar "Basics"
Grid-scale solar developments (GSSD) are also called utility-scale solar or "solar arrays." - Articles
Physical Impacts of Grid-Scale Solar Development
There's an increasing likelihood that Pennsylvania will see a large investment in grid-scale solar development (GSSD) in the near future. - Articles
What is Renewable Energy?
Renewable energy is energy generated from natural resources—such as sunlight, wind, rain, tides and geothermal heat. - Articles
Waste Plastics as Fuel
Now is a good time to recover heat energy from dirty and nonrecycled plastics. - Articles
Biogas from Manure
An anaerobic digester will partially convert manure to energy in the form of biogas which contains methane.




























