Energy generation. Primarily solar, wind and other clean energy

closed due to utility power outage
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How to Opt out of PSPS outages

How to easily opt out of PSPS events and cut your power bills

Can you (legally) unplug from the electric utility?

Can the utility or local authority require you to have an account?
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Free Money for Schools

Did your school miss out on the Prop 39 gravy train? Here's the next best thing. 3fficient has secured access to federally backed, ZERO interest loans for energy saving upgrades engineered and implemented by 3fficient. Each district is eligible…
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Are micro grids the answer to climate change?

Wildfires in California are tragic and incredibly expensive.  Many lives lost.  Property and homes lost.  Livelihoods lost.  Sensitive habitat and wildlife lost. At well over $9 Billion, damages from the 2018 wildfires in Northern California…
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Tax Depreciation

The printed IRS tax manual is literally more than 73,000 pages.  IRS agents and their teams can't even keep up with tax changes let alone the volumes of code.  That's why CPAs are more like general practitioners and need to rely on specialists…
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Grid (un)reliability

US utilities have traditionally been known for high reliability, but all that is changing.  Fast. With power lines causing some of the biggest fires in US history, utilities are learning to cope with the risk by simply switching power…

Solar Lease vs PPA

What's the difference between a solar lease and a solar PPA? In short.  Not much.  These days it's mostly just the name, but here's the skinny. Solar PPA: In a Power purchase agreement, you are agreeing to buy the power - whether you need…
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How to Make Your Multi Tenant Buildings More Valuable

Most apartment complex owners are very limited in what they can do to stay competitive with newer properties. Lower rents, remodel or tear down and replace?  But, what if there was a better option?  An option that actually reduced the tenant's…
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Great Parks Need Great Public Safety

Urban planners and architects go to great effort and expense to design fun and interesting parks.  But is your urban park safe and secure for visitors?  Pretty easy to find tragic headlines that say no.  But how do you really know for sure? …
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Urban Wind Making a Comeback?

About 2 years ago, I got a call from a local homeowner asking if we could help troubleshoot why his turbine was not generating electricity.  I said we typically work on commercial only, but he was very frustrated and seemed to be a genuinely…
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GAO: Climate change now costing U.S. billions

Climate Changes cost US Tax payers dearly. Could it exceed spending on military?
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Managing Energy Costs in Grocery Stores

Energy costs can account for up to 15 percent of a grocery store’s operating budget.  The US average was roughly $4/SF in 2015.  For example, a 40,000 square foot store might spend $160,000 a year just for electricity.  Because grocery stores’ profit margins are so thin
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How to plug those (energy) holes in your building

Taking an infrared thermograph of an air conditioned building in the daytime, can be quite alarming. Infrared thermography is the same technology in night vision goggles used by military special forces. It reveals the infrared…
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Making a better battery – CBS News

Commercial buildings use more electricity than any other building type in the US.  Roughly 65% according to DOE statistics.  But, the problem is WHEN they use energy - daytime and early evenings.  That creates a problem for the power grid…