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The Other Problem with Nuclear Power

I got into renewable energy in the 1970’s, partially in response to the prospect of an expansion of nuclear power.  I was videotaped by CBS News at Seabrook asking people to hire me to chop wood for...

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Powering Health

HOMER Energy has renewed its contract with the US Agency for International Development and Tetratech to design hybrid renewable energy systems for rural health clinics and hospitals in Haiti. Called...

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Clean micro-grid technologies are going to change the utility industry

Large electric grids like we have in North America are awe-inspiring.  They are undoubtedly the most complex machines ever built.  People don’t usually think of them as a machine, but really they are a...

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The Island Energy Challenge

Petroleum is the problem Islands face extreme challenges from an energy security perspective. Pipelines supplying inexpensive and plentiful natural gas are not an option for them.  Only very large...

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End “Drive by Development”– HOMER’s Nathan Johnson Focuses on Rural Energy Needs

Nathan Johnson is working with HOMER Energy for a year through a fellowship provided by the National Science Foundation and the American Society for Engineering Education. Nate has just completed a...

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Microgrids Rank High for Top Utility Issues 2012

The Intelligent Utility newsletter lists their take on the: “Top Five Issues of 2012 (so far)”.  Of the five issues listed two of them speak directly to the core of HOMER Energy’s business. Issue # 1:...

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The Microgrid Learning Series: Introduction and Overview

Welcome to the first in a series of articles about microgrids, written specifically for people interested in clean energy and clean tech but without a background in power system engineering. If you...

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How to Classify Microgrids: Setting the Stage for a Distributed Generation...

In this post by HOMER CEO Dr. Peter Lilienthal, we consider the problem of how to classify microgrids. This is a special entry in our microgrid learning series. Although microgrids are becoming more...

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Strawman Proposal for a Taxonomy of Renewable Penetration Levels

This strawman taxonomy provides clear distinctions between different levels of renewable penetration.  By basing the criteria on the architecture and control of the power system, it avoids the...

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Using HOMER to Model Advanced Inverter Technology in Solar-Plus-Storage for...

Solar plus storage has been pegged as a game changer for the grid-connected world, offering a mechanism that allows much higher penetrations of renewable energy than simple rooftop PV. Additionally,...

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HOMER helps bring electricity to remote areas of Afghanistan

Phys.org reported today that Mahdi, Sadiqi, a recent graduate of Kansas State University and native of Afghanistan, used the HOMER software to model robust, reliable energy systems for remote areas of...

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The Problem with 100% Renewable Energy

The New York Times reported recently on the work of a group of Stanford researchers, who published a piece in the journal Energy Policy claiming that the main issues with 100% renewables are neither...

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Call for Papers: Microgrid Deployment Forum

HOMER Energy will convene the Microgrid Deployment Forum 2013 in Cancun, Mexico, November 8 and 9 2013, in conjunction with the Solar World Congress, sponsored by the International Solar Energy...

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Central Solar Parks versus Microgrids: Cost Versus Security and Reliability

One of the biggest debates in today’s “energy society” relates to grid-scale renewable projects versus distributed generation, in particular the role of rooftop residential solar systems. Proponents of...

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Village Power – Back to HOMER’s Roots of Remote Hybrid Renewable Microgrids

The HOMER software is now in use throughout the world, for hybrid renewable power systems of all sizes. But HOMER’s roots at the National Renewable Energy Laboratory were in village power, and HOMER...

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State Governors Call for Microgrid Development

During his January 8 2015 inaugural address for his third term as Governor of Vermont, Peter Shumlin called attention to his state’s commitment to move forward with public microgrid and renewable...

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A Technology-Driven Disruption of Historic Proportion: 70 Seconds to Explain

It’s no secret that NRG has been vocal and clear about its opinion of what is happening to energy, in the U.S. and the world, from their lead on the Necker Island (home to out-of-the-box billionaire...

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Canadian Solar Introduces the CS6K All-Black Solar Module Line into the...

GUELPH, Ontario, March 11, 2015 /PRNewswire/ — Canadian Solar Inc. (the “Company”, or “Canadian Solar”) (NASDAQ: CSIQ), one of the world’s largest solar power companies, today announced that it will...

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Saft Li-ion Battery to Power the ExoMars Rover as it Searches for Life on the...

HOMER Energy Industry Partner Saft, the world’s leading designer and manufacturer of advanced technology batteries for industry, has signed a contract worth over one million euros from Airbus Defence...

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HOMER Energy Industry Partner Featured on PBS News Hour for Non-Toxic Battery

One of the exciting things about working here at HOMER Energy is watching the world begin to understand the significance and importance of the possibilities for both hybrid power systems and innovative...

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