Category Archives: Energy Efficiency

The cheapest way to cut climate pollution? Energy efficiency

This blog post was co-authored by Kate Zerrenner, an EDF project manager and expert on energy efficiency and climate change.

On June 2, the U.S. Environmental Protection Agency made a historic announcement that will change how we make, move and use electricity for generations to come.

For the first time in history, the government proposed limits on the amount of carbon pollution American fossil-fueled power plants are allowed to spew into the atmosphere.

There are two clear winners to comply with the plan while maintaining commitment to electric reliability and affordability: energy efficiency and demand response.

We’re already seeing pushback from some of our nation’s big polluter states, such as West Virginia and Texas. But the truth is that while the proposed limits on carbon are strong, they’re also flexible.

In fact, the EPA has laid out a whole menu of options in its Clean Power Plan – from power plant upgrades, to switching from coal to natural gas and adopting more renewable energy resources. States can choose from these and other strategies as they develop their own plans to meet the new standards. Read More »

Also posted in Clean Energy, Climate, Energy, Smart Grid | 1 Response, comments now closed

These women won't let the clean energy revolution pass their city by

WIPThis is the third in a series of posts about leading women in the power, environmental science, advocacy, policy, and business sectors. Each entry stands on its own, and you can view the first post here.

For many communities across the country that remain overburdened with pollution, the promise of clean energy and livable cities is far from fulfilled. From Los Angeles to Atlanta, people aspire to live in clean, vibrant environments where their children can grow up healthy and safe.Women often play a unique role in grassroots organizing, and they gain followers by connecting people’s aspiration for a more thriving community with the vision for a low-carbon, sustainable economy. I recently met two such activists who possess the passion, charisma, and savvy needed to make sure that their communities are not left out of the clean energy revolution. They work tirelessly to bring the benefits and opportunities of this rapidly growing economy to the places where they live.
Working for environmental justice in Los Angeles

A section of a Keep Pacoima Beautiful mural that pictures solar cells behind a bright light bulb that doubles as the sun

Veronica Padilla, executive director of Pacoima Beautiful, has dedicated her career to the nexus between urban planning and environmental justice in the industrial suburbs of Los Angeles’s Northeast San Fernando Valley, one of the most polluted regions of the state.

Veronica’s journey as an advocate for her community began with a move across town to study at University of California-Los Angeles, where she quickly observed a significant decline in “graffiti and allergies.”

Through her studies and own personal experience, Veronica began to identify just how disproportionately her community was affected by pollution because of how industrial facilities had been sited – near homes and schools. Read More »

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EPA Hands Over the Keys with Clean Power Plan, California Already on Cruise Control

rp_dWalker.jpgEPA’s Clean Power Plan, proposed today, is a roadmap for cutting dangerous pollution from power plants, and as with any map, there are many roads to follow. For this journey, states are in the driver’s seat and can steer themselves in the direction most beneficial to their people and to the state’s economy, as long as they show EPA they are staying on the map and ultimately reaching the final destination.

As usual, California got off to a head start, explored the territory, blazed a lot of new trails, and left a number of clues on how states can transition to a lower carbon future, and California’s successes are one proven, potential model for other states to follow. The state’s legacy of clean energy and energy efficiency progress is a big reason the White House and EPA could roll out the most significant national climate change action in U.S. history.

Way back in the mid-1970s, when Governor Jerry Brown did his first tour of duty, California pioneered what remains one of the most effective tools for cutting pollution and saving money:  energy efficiency. The state’s efficiency standards, largely aimed at buildings and appliances, have saved Californians $74 billion and avoided the construction of more than 30 power plants. All those energy savings have translated into California residential electricity bills that are 25% lower than the national average.  What’s more, California produces twice as much economic output per kilowatt hour of electricity usage as the national average.

While energy efficiency has done yeoman’s work pulling costs down, reducing the need for dirty energy, and supercharging the state’s clean energy economy, California has also brought bold approaches to cleaning up its power supply. The California Renewable Portfolio Standard (RPS) requires 33% of all electricity sold in California to come from renewable sources by 2020, the most aggressive of the 29 states with RPS measures on the books. Read More »

Also posted in Cap and trade, Clean Energy, Climate, General, Global Warming Solutions Act: AB 32 | 1 Response, comments now closed

No Water Means No Beer, and Other Insights from an LA Water Conference

rp_Emily-Reyna-300dpi-716x1024.jpgBeer lovers – now that I have your attention – let’s talk water. Nowhere in the country is water more critical an issue and looming risk than in my home state of California… critical to farmers, utilities, businesses, and yes, even breweries. 

The current drought has brought a host of challenges for our growing state, including more wildfires, collapsing delta ecosystems and fisheries, decaying infrastructure and declining water quality. While California is on track to reduce carbon pollution due to our progressive climate and energy policies, our water challenges are the elephant in the room.

So it was inspiring to attend a daylong event convened by the Pacific Institute in Los Angeles, where leading corporate, nonprofit and technical water experts honed in on water stewardship and shared innovative solutions to the business and environmental challenges we face with regard to water scarcity.

The companies represented there – including AT&T, Deloitte, MillerCoors and Veolia – see water scarcity as a current business risk, as well as a critical component to economic growth in California, the Colorado River Basin and around the world. The World Economic Forum even ranked water crises as the third most pressing global risk for 2014. “Often, the greatest risks come from conditions over which the company has the least influence,” noted Jason Morrison of the Pacific Institute, whose Water Action Hub offers a powerful guide with tools and resources for collective action.

The day’s far-reaching discussion would be impossible to capture in a single blog post, so I'll highlight here just a few of the challenges and solutions that stuck with me after a full day of information sharing. Read More »

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Nest’s Promising Results for Reducing Peak Electricity Demand

Back in January when Google announced it would spend $3.2 billion to purchase Nest, EDF knew this was a company to watch. The results of three new reports, released today, confirm that controllable thermostats like the Nest Learning Thermostat are both customer-friendly and useful for energy system planners. Moreover, the reports signal that smart devices, such as those Nest manufactures, have potential for generating marked savings for utility customers.

The reports analyze 2012-2013 energy use data gathered from four major utilities across the U.S. that offer Nest energy services programs: Austin Energy, Reliant Energy, Green Mountain Energy, and Southern California Edison.

The first report evaluates the results of Rush Hour Rewards, a demand response service that changes the temperature of the homes of Nest users during energy “rush hours”, or times when demand on the grid is highest. The second examines Seasonal Savings, a program that runs for three weeks and slowly modifies the temperature according to the customer’s behavior (which this smart thermostat is able to ‘learn’ via its built-in motion sensor and understanding of its owner’s temperature preferences). Both operate during times of heavy usage, namely winter and summer. The third report analyzes home energy data of Nest customers more broadly, comparing energy use before and after the installation of a Nest Thermostat. Read More »

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Connecticut’s Green Bank Uses PACE to Accelerate Commercial Solar, California Expected to Follow

rp_Brad-Copithorne-Photo1-200x300.jpgUp to now, the most popular and cost effective forms of financing solar projects have been leases and Power Purchase Agreements (‘PPAs’), which allow homeowners to install solar photovoltaic (PV) systems on their property and purchase power from the system’s output via a financial arrangement with a third-party developer who owns, operates, and maintains the solar panels.

Unfortunately, these creative financing mechanisms have not generally been available for commercial property owners. The only exceptions were buildings owned (or leased for a very long time) by investment-grade entities such as Google, Walmart, or a state or local government. Most small or medium businesses, office buildings, shopping centers, and apartment buildings could not access financing for money-saving solar projects as investors have been wary of extending 20-year solar financings for most commercial properties.

Fortunately, our good friends at Connecticut’s Green Bank (CEFIA) have created the first solar leasing investment fund that uses Property Assessed Clean Energy (PACE) to provide investors assurance that they will be repaid. The ‘CEFIA structure’ allows commercial property owners to sign a lease or PPA in the same manner and terms as their investment-grade brethren. The only difference is that payments are linked to the property tax bill and survive foreclosures. Since the taxman almost always gets paid, this structure allows investors to consider a much wider range of commercial credits. Read More »

Also posted in Clean Energy, Energy, Smart Grid | 2 Responses, comments now closed

Demand Response: People, not New Power Plants, are Driving the Clean Energy Future

Clean energy resources, like wind, solar, and energy efficiency, have certain key advantages over traditional, fossil fuel-based resources: they don’t require expensive, polluting fuels or large capital investment, consume little to no water, generate negligible carbon emissions, and are easily scalable. To take full advantage of low-carbon, renewable energy sources, we need a power grid with enough flexibility to harness clean energy when it is available and abundant. That’s where demand response, a people-driven solution, comes in.

On a hot summer day, for example, electricity use rapidly increases as people turn on air conditioners to avoid the heat of the late afternoon. A decade ago, the grid operator’s only option is to turn on another fossil fuel power plant to meet the increased need for electricity. But, at any given time, there are thousands of light switches left on, idle water heaters, cycling swimming pool pumps, and forgotten thermostats that people could temporarily turn off or down, if only they were offered the right incentive. If asked, people can adjust their power usage in exchange for a financial reward. We call this “demand response,” and it is increasingly helping to balance the flow of electricity with our energy needs at a given moment.

Demand response diverts money that would generally go to a fossil fuel power plant to homeowners and businesses instead. In this scenario, a utility or demand response provider sends a message for participants to reduce electricity use at key times in exchange for a credit or rebate on their utility bill, in addition to the cost savings they will earn through conservation. Of course, participants always have the option to opt-out with the tap of a button on their smart phone or thermostat. Read More »

Also posted in Clean Energy, Smart Grid | 1 Response, comments now closed

The Link Between Water and Energy in California – And Why It Matters

KHK pictureTomorrow is World Water Day and this year’s theme is the “energy-water nexus,” the critical, interdependent relationship between water and energy. The generation and delivery of almost all types of energy requires water and, conversely, treating and transporting clean water requires energy. In fact, water-related activities, such as treatment and distribution, account for almost 20 percent of California’s total electricity use. A disruption in access to one of these precious resources can have a detrimental effect on access to the other, creating a vicious cycle that unsettles our way of life.

The Challenges

Unfortunately, California is learning the hard way about the inextricable link between water and energy. The Golden State is having major water shortage problems and despite some much needed rain a few weeks ago, the state still remains in a severe drought. In fact, this past winter in California was one of the driest on record.

The drought has had perceptible effects on California’s energy production, substantially decreasing hydroelectricity levels, compared to 2011. Due to the decrease in hydroelectricity in the state, which usually makes up about 10% of California’s fuel mix, the state has been forced to increasingly rely on dirty, unsustainable fossil fuels, and energy costs have increased. Energy generation from traditional forms of power, such as natural gas, nuclear power, and coal, are not without their own water demands as well. Read More »

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CPUC Singing the Right Tune on SONGS, But Southern California Still Needs to Harmonize to Achieve a Clean Energy Future

rp_Navarro_Lauren.jpgLast week, the California Public Utility Commission (CPUC) finalized an important decision for Southern California’s energy supply following the closure of the San Onofre Nuclear Generating Station (SONGS). The plan emphasizes increased reliance on clean energy in this part of the state – an important step towards a fully realized low-carbon future.

The decision authorized San Diego Gas and Electric and Southern California Edison to procure at least 550 megawatts (MW) of ‘preferred resources,’ which include renewable energy, demand response (a tool that’s used by utilities to reward people who use less electricity during times of “critical,” peak electricity demand), energy efficiency, at least 50 MW of energy storage, and up to 1,000 MW of these resources altogether.

That’s a major step forward, as utilities across the country traditionally rely on large fossil fuel plants to meet regional demand.

However, the CPUC also authorized the procurement of 1,000 MW of power from natural gas generation, demonstrating that Southern California still has a ways to go to reach its clean energy potential.

Read More »

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Funding the Future with a California Green Bank

rp_Brad-Copithorne-Photo-200x3001.jpgTwo weeks ago, State Senator Kevin de León introduced a bill to establish the first “Green Bank” in California, a bold proposal that would unleash low-cost financing opportunities for clean energy projects throughout the Golden State.

I recently had the opportunity to testify at a hearing on the bill to discuss the best practices for green banks across the country and how the program would work in California.

First, a bit more on Green Banks:

At its core, the program is a clean energy finance bank set up by the state, designed to enable increased investment in clean energy projects and companies by working closely with the private sector to remove financial or structural barriers.   The goal is simple: increase the amount of clean energy at a low-cost and encourage private investment by reducing the overall risk of clean energy projects.

While the concept is new to California, Green Banks have already taken root in other states. Connecticut established the first program in 2012, New York’s version launched a few weeks ago, and Hawaii is expected to come online this summer. Read More »

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