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As Energy Prices Rise in California, Utility Companies Point to Roofs and Blame Solar Panels

Some energy suppliers are pointing to the increasing presence of residential solar installations as a key factor in the rising costs.

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The price of electricity in California is already among the highest in the U.S. What’s more, it continues to rise despite the state being a leader in renewable energy in the country. Recently, some utility companies have started to blame these rising costs on the increasing number of Californians with solar panels on their roof.

Some context. California leads the nation in solar photovoltaic adoption, with 20% of its electricity generation coming from solar panels in 2023. The Golden State has also provided the most subsidies for installing self-consumption solar systems, including offering them for free.

Currently, so many Californians have solar panels that the grid frequently struggles to utilize all the power generated. With 47 GW of installed capacity (enough to power nearly 14 million homes), solar production often exceeds demand on sunny spring days, leading to wasted energy.

Inadequate grid flexibility has caused this oversupply, which, in turn, has resulted in negative electricity prices during certain periods. As a response, the state has had to reduce the incentives that have historically encouraged solar panel installations.

Electricity rates have risen. Some energy suppliers argue that solar panel users are contributing to the price increase by paying less on their bills, which shifts much of the fixed cost burden of the grid onto other customers. This is known as “cost-shifting.”

This situation also unmasks socioeconomic inequalities across California. Wealthier homeowners who can afford to install solar panels pay less. Meanwhile, those who can’t afford it must cover the fixed costs of the electricity system, resulting in higher tariffs for them.

Why are electricity distribution charges so inequitable? The electricity bill is structured to recover variable costs (based on consumed electricity) and fixed costs (related to grid infrastructure and operation). However, these costs are calculated based on consumption levels.

Since solar panel users consume less electricity from the grid, they end up paying lower bills overall. In contrast, households without solar panels, often with lower incomes, are left to shoulder a greater share of the fixed costs that utility companies can’t recover from solar users, leading to an inequitable distribution of costs.

What are electric companies hiding from customers? Well-known advantages of self-consumption include reducing carbon emissions, easing the strain on the grid during peak demand, and facilitating the energy transition directly through renewable energy generation or indirectly by making electrification technologies like electric cars and heat pumps more appealing.

According to solar photovoltaic advocates like Ahmad Faruqui, utilities don’t talk about the inefficiencies present in the power grid and within the entities that supply electricity. These issues include cost overruns, exorbitant executive salaries, and a lack of interest in promoting solutions to solar PV intermittency, such as battery storage systems. Batteries can help alleviate grid pressure during peak demand periods and prevent blackouts.

Making self-consumption more affordable. The reduction of incentives has led to a cost-shifting that disproportionately affects middle-income families, hindering their ability to adopt solar technology. Ideally, everyone would have the opportunity to install solar panels on their roofs without facing obstacles to self-consumption.

However, we don’t live in a perfect world. As such, it’s crucial to address fixed costs in an equitable manner and to enhance the flexibility and efficiency of the grid, all while encouraging the adoption of clean technologies.

Image | CHUTTERSNAP

Related | California Has Defeated the Sun: 20% of the Power It Uses at Night Comes From Solar Panels

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