A Comprehensive Guide to Net Metering for Commercial Solar Systems

 

Net metering is a valuable tool for businesses looking to reduce energy costs and embrace sustainable practices. By allowing commercial solar system owners to receive credits for surplus electricity they generate, net metering enables them to offset energy consumption and even spin the utility meter backward. In addition to reducing costs, net metering promotes sustainable energy practices.

In this article, we will explore the workings of net metering, highlight its benefits, and provide insights on how businesses can maximize its advantages. Whether you’re new to the concept or seeking ways to optimize your commercial solar system, this comprehensive guide will give you the knowledge you need to navigate the world of net metering successfully.

Understanding Net Metering
Net metering is a regulatory policy and incentive program that allows commercial solar system owners to receive credits for excess electricity they generate and feed back into the grid. These credits offset their energy consumption and effectively spin the utility meter backward. This encourages companies to invest in renewable energy sources like solar power and generate their own energy.

How Does Net Metering Work?
When a solar system generates more energy than the building requires, the excess electricity flows back into the grid. A bi-directional meter measures the net difference between energy consumed and energy generated. The facility is then credited for any surplus energy generated, which are called solar credits.

Companies can still pull electricity from the grid when needed, such as at night when solar systems generate less energy. The credits from the net amount consumed are subtracted, and the facility is billed only for its net energy consumption.

How is Net Metering Different from Gross Metering?
It’s important to understand the difference between net metering and gross metering. Gross metering is an arrangement where commercial solar system owners are billed separately for their total energy consumption and compensated for their total energy generation based on a predetermined feed-in tariff rate.

Net metering provides credits and allows for a simplified, single bill. Gross metering, on the other hand, requires separate billing and compensation systems.

Benefits of Net Metering for Commercial Solar Systems
Net metering offers numerous benefits for commercial solar systems, including:

Reduced Energy Bills: Net metering can significantly reduce energy bills, depending on the facility’s energy consumption and the solar system’s size and output.

Environmental Sustainability: By promoting the adoption of renewable energy sources, net metering encourages companies to reduce their reliance on fossil fuels and decrease greenhouse gas emissions.

Energy Independence: Commercial solar system owners can achieve energy independence by generating their own energy and being less affected by energy price fluctuations, outages, and grid failures.

Revenue Stream: Net metering can create a revenue stream for companies with excess energy production. Credits for surplus energy can offset initial investment costs, contribute to ongoing expenses, and generate additional income.

Maximizing the Benefits of Net Metering
To maximize the benefits of net metering for your commercial solar system, consider the following strategies:

Proper Sizing and Design of Solar Systems: Before investing in a solar system, conduct an energy audit to understand your facility’s energy needs. Consider factors such as available space, shading issues, and local climate conditions. Plan for future growth to avoid costly upgrades or additions.

Optimizing Solar System Performance: Choose high-quality solar panels and equipment from reputable brands. Regularly maintain and clean the panels, inspect electrical connections, and ensure that all equipment functions properly. Install solar panels at the optimal tilt and azimuth angle to receive maximum sunlight.

Understanding Utility Policies and Regulations: Research net metering policies in your area, as they vary by state, region, and utility company. Familiarize yourself with interconnection requirements and agreements that outline the technical and contractual aspects of connecting your solar power system to the grid.

Efficient Energy Management and Consumption: Implement energy-saving measures and technologies such as energy-efficient lighting and HVAC systems. Analyze your energy usage to align energy use with peak solar production times.

Explore Additional Incentives and Financing Options: Take advantage of federal and state incentives, rebates, and tax credits to offset installation costs. Consider alternative options like a Solar Purchase Power Agreement (PPA) or leasing agreements if managing a solar system is not feasible.

Interested in net metering for solar? Caldus Energy can assist you in designing, building, and financing commercial solar panels tailored to your needs. Specializing in energy projects for commercial and industrial entities, we offer expertise in complex installations and comprehensive project financing. Partner with our experts for every stage of your energy project.

For more information on what commercial solar can do for your business .
                                         Contact us below.

 

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Solar peaks at 5.3% of US electricity in May, up 26% for the year

The US Department of Energy’s Energy Information Administration (EIA) released its most recent Electric Power Monthly, which provides data through the end of May 2021. The report notes that for the month, solar photovoltaic generation (solar) grew 25% over May 2020. Solar accounted for just over 5.3% of total US electricity generated for the month versus 4.41% last year.

Total US electricity use for the month increased by 4.5% versus May of last year. For the year through the end of May, total U.S. electricity usage is up 3.49% versus last year.

Solar produced 26.4% more in the first five months of the year than it did in the same period of 2020, covering 3.7% of all U.S. electricity demand.

Solar Photovoltaic as a % of US Electricity

The solar generation this May appears to have set a record for highest percentage of all US electricity -beating out last month’s number, and highest overall volume generated at just over 17 GWhrs in any one month (beating last month’s 15 GWhrs).

We here at Caldus Energy were hoping to see solar electricity hit 6% of all electricity for the first time, which did not occur. May remains the highest producing month as a percentage of total solar electricity in the United States. May through the end of August is expected to produce similar total generation – with July making up the highest quantity by volume.

Electricity by source, USA, May 2021

One reason U.S. solar production missed our 6% target was the increase in electricity use this summer, which also precluded the other milestone we were hoping for: 50% emission-free electricity. In fact, this year’s clean electricity peak probably already occurred in March, because generation as a percentage of US electricity has declined ever since.

There is encouraging news for combined renewable energy sources, with annual wind generation up 14% over 2020. When we factor in solars’ 26.4% increase we see a combined generation increase of 17.3%.

And as a percentage of 2021’s electrical demand, solar and wind managed to cover a little over 14.1%. The peak month for wind and solar generation in the last two years occured in April, with nearly 17% of generation met – while 15.3% was covered in May.

Wind and Solar as a % of all Electricity, USA

For the year, new utility scale solar power tracked by the EIA totaled 3.8 GWac of capacity across 163 unique projects. In the last month we saw 27 unique facilities come online, totalling 638 MWac/~798 MWdc.

Among the facilities to come online in May were a series of 2 MWac projects coming from the Illinois community solar program. There was a batch of facilities from Florida as well, all sized at 74.5 MWac.

New Solar Facilities, 2021

The EIA-860 chart contains “generator-level specific information about existing and planned generators and associated environmental equipment at electric power plants with 1 megawatt or greater of combined nameplate capacity”. Data is available starting from 2001. During those years, 4,749 operating solar power plants have been entered into the data. They total 50,447 MWac of capacity.

The largest project listed is the 300 MWac Prospero Solar plant in Texas that came online last summer. The smallest listed are a series of thirty two ~100 kWac projects, mostly from the early 2000s.