Hawaii Continues Unprecedented Growth in Energy Efficiency

Daniel Pidgeon, ERS, for Zondits As most of us may guess, Hawaii leads the nation in solar panels per capita. But there is still a substantial percentage of the market that cannot participate in solar programs. To increase participation, the legislature passed a law mandating utilities to create community renewables programs. However, the utilities had … Read more

Massachusetts Legislators Propose 100% Clean, Renewable Energy by 2050

Elana Cole, ERS, for Zondits A trio of Democratic legislators in Massachusetts has introduced a bill to help the state reach its ambitious goal of using 100% renewable energy by 2035 and phasing out all fossil fuels from the heating and transportation sectors by 2050. The Bay State is seeking to catch up with other … Read more

Tesla Bets On Small Batteries to Kick Fossil Fuels Off the Grid

Tesla

Tesla’s Battery Revolution Just Reached Critical Mass Bloomberg, January 30, 2017 Tesla Motors Inc. is making a huge bet that millions of small batteries can be strung together to help kick fossil fuels off the grid. The idea is a powerful one—one that’s been used to help justify the company’s $5 billion factory near Reno, Nev.—but batteries have so far only … Read more

What is a Microgrid?

microgrid

How the World Defines Microgrids and Why You are Confused Microgrid Knowledge, January 30, 2017 Microgrid, mini-grid, picogrid… All this tiny terminology can add up to some big confusion. Even the industry itself defines microgrids in different ways. Microgrids, mini-grids and picogrids have some things in common: they are all locally generated, locally distributed sources of clean energy. Is … Read more

China’s Rapid Renewable Transition – Too Fast and Furious?

China renewables

Ethan Forauer, ERS, for Zondits Over the last 2 years, China has proven to be a respectable player in the global renewable energy arena, smashing solar and wind installation targets by several orders of magnitude. In fact, in 2015, China set a world record for the most solar capacity installed in a single year. In … Read more

Wyoming’s Renewable Portfolio Standard, or, Standard Portfolio Renewable?

Ethan Forauer, ERS, for Zondits In a piece of legislation that has proven to be one of the first of its kind, Wyoming State Representative David Miller has brought forward a bill aiming to penalize state utilities that incorporate ineligible clean energy resources in the state’s electricity portfolio. This comes at a juncture where economic … Read more

What is the Best Orientation for a Solar Installation?

Jim Paull, ERS, for Zondits Why in the world would anyone mount a photovoltaic array facing north? Didn’t anyone tell them that in this hemisphere the sun is to the south? What were they thinking? The best orientation for a solar installation – whether it’s thermal or photovoltaic – is facing due south at an … Read more

Sierra Nevada Installs Tesla Powerpack Batteries

Sierra Nevada

Daniel Pidgeon, ERS, for Zondits The California-based beer company Sierra Nevada has installed Tesla Powerpack batteries to help mitigate the costs that stem from electricity demand charges. Sierra Nevada has grown substantially since it began as a West Coast craft brewer and can now brew up to 1.4 million gallons of its signature pale ale … Read more

Thinking of Going Solar? Solar PV – Paintbrushes and the Poop

solar evaluation

Brian McCowan, ERS, for Zondits When inspecting solar photovoltaic (PV) systems we often encounter the typical problems such as excess shading from trees, loose wires, and module or cell physical damage. During a recent evaluation we discovered something unusual that provides an interesting opportunity to consider the effects of partial shading on PV panels – … Read more

A Testing Ground for Utility-Scale Battery Energy Storage

utility-scale battery

Jesse Remillard, ERS, for Zondits Southern California is becoming a high-stakes testing ground for utility-scale battery energy storage. The energy storage provider AES has secured two contracts totaling 37.5 MW (150 MWh) that will be critical for San Diego Gas and Electric (SDG&E) to meet its peak demands. The AES press release states that the two … Read more