For solar panel and storage battery installation in
Aoba-ku, Yokohama,
Kakeru Koumuten Co., Ltd. is at your service!

Kakeru Koumuten Co., Ltd. is a company specializing in exterior renovations based in Yokohama.
In Aoba-ku, Yokohama, we handle numerous exterior renovations,
and we are also entrusted with the installation of solar panels and storage batteries!
Here, we would like to introduce “Reasons why Kakeru Koumuten is chosen for solar panel installation”.

“How to Choose a Solar Panel Contractor in Aoba-ku”
“About the Costs of Solar Panel and Storage Battery Installation”
“About the Subsidies Applicable for Solar System Installation in Aoba-ku”
We will also explain the above three points!


The installation of solar panels carries risks, such as “the occurrence of leaks” and other troubles.
To ensure a satisfactory solar panel installation, it is essential to obtain estimates from at least three companies!

For customers considering the introduction of solar panels in Aoba-ku, Yokohama,
this information will definitely be helpful, so please take a look!

Reasons Why Kakeru Koumuten is Chosen for Solar Panel Installation in Aoba-ku, Yokohama

One reason why we are entrusted with solar panel installation by customers in Aoba-ku, Yokohama is that
“Kakeru Koumuten is located in Yokohama,” but
“Our unique strengths in solar panel installation that cannot be imitated by other companies”
 have received high praise from many customers.

We have absolute confidence in the “cost,” “quality,” “plan” for
solar panel installation work in Midori-ku, so we would greatly appreciate it if you could compare our estimates with those of other companies.

Because we are confident, we welcome estimates from any number of companies!

1. We can also handle exterior renovations other than solar panel installation!

 
Most troubles such as leaks caused by solar panel installation are due to the lack of knowledge of the solar panel installation contractors.
While specialized solar panel contractors have knowledge about solar panels, the reality is that many lack knowledge regarding the roof and waterproofing at the installation site.
For peace of mind and to avoid maintenance issues and troubles after construction, it is safer to have expertise in roofing!

Kakeru Koumuten Co., Ltd. is strong in roofing work and can also detach and attach solar panels in-house, allowing us to respond quickly to maintenance and urgent troubles after solar panel installation!

2. Equipment specialized for exterior renovations

At Kakeru Koumuten Co., Ltd., we have prepared the following warehouses and material storage areas to provide solar work and exterior renovations at low cost and high quality.
We have established five bases centered around Yokohama City, Kanagawa Prefecture for material storage and showrooms.

In-house ownership of scaffolding materials


We own the scaffolding materials necessary for the installation of solar panels, allowing us to assemble the scaffolding in-house.
By conducting scaffolding work with our own scaffolding team instead of outsourcing, we can also reduce the costs associated with scaffolding work.
We have enough scaffolding materials for approximately 50 single-family homes!

Storage of materials in our large in-house warehouse

 
We store roofing materials and paints, and we can also store removed solar panels.
By ordering a large quantity of materials at once, you can purchase materials at a lower cost!
Additionally, we always have a stock of roofing materials, so we can respond quickly in emergencies!

In-house sorting and transportation of waste materials

When installing solar panels, roofing work is often involved, generating various types of waste materials such as paint, wood, and metal.
Most contractors dispose of these materials all together, but by sorting and recycling the waste, significant cost savings on waste disposal can be achieved.

Exterior Renovation Dedicated Showroom


In our showroom, not only can you have meetings, but you can also
You can check the actual foundation brackets for solar panels and see how they are installed on the roofing materials!
We can also provide simulations for the potential earnings and installation costs if you decide to implement solar panels!

Since roofing and exterior wall work often accompany each other, we have samples of roofing materials and models that show the structure, allowing us to provide detailed explanations!

3.Complete In-House Construction

One of Kakeru Koumuten’s major strengths is our complete in-house construction.

From inquiry to project completion, everything is handled by Kakeru Koumuten Co., Ltd. This allows us to keep costs down while providing high-quality roof renovations.
Additionally, one representative will assist you from the estimate to the completion of the work.
Since the same person will handle everything, including sales and construction management, smooth communication is ensured.

We can provide consistent in-house construction from temporary scaffolding installation to exterior wall painting and roof renovations!

4. Various Permits Obtained & Skilled Workers on Staff


We have obtained permits for construction work and industrial waste collection and transportation!
We also have nationally certified sheet metal workers and painting specialists on staff, giving us confidence in our construction techniques.
We are capable of handling large-scale roofing projects, such as those for factories!

5. Warranty and Aftercare

In addition to the manufacturer warranty for solar panel installation, we also provide our own rain leak warranty!
Aftercare is available annually, and we send out notification DM each year.
If you have questions about the warranty, please click on the image above!

Maintenance of Solar Power Generation｜Thorough Explanation of Importance, Frequency, and Cost Estimates!When introducing solar power generation, it is essential to consider...

6. Flexible and Prompt Response

Our company is equipped to handle various roofing troubles and situations.

If you are unable to access the roof due to height, we can utilize a drone for assistance!
During rain leak investigations, we can also conduct surveys using a thermal imaging camera.

If the power generation of the solar panels decreases due to dirt or other factors, we can provide cleaning with a specialized brush.
We will respond according to your preferences.

7. Human Resource Development

We are creating various roof models to enhance our skills and conducting practical training.
Since the construction methods vary depending on the shape and slope of the roof, we regularly provide technical training to ensure that all staff can handle various cases.

Company Overview神奈川で家の外装・屋根の工事、修理なら一番若くて親切な株式会社翔工務店にお任せください。 株式会社翔工務店はリフォームを通して美しく理想の生活空間を創るお手伝いをしています。外装改修、外壁塗装、雨樋修理清掃、屋根の塗装や重ね葺き葺き変えなどの部分的な修理まで、お客様のどのようなご要望にも全力でお応えします。...

Possible subsidies and grants inAoba-ku, Yokohama, Kanagawa Prefecture

National subsidy “Residential Energy Storage System Installation Support Project”

The government is implementing the “Residential Energy Storage System Installation Support Project” to support the installation of storage batteries.

This subsidy provides 30,000 yen per kWh (with a maximum limit of 600,000 yen) for those who install residential storage batteries that meet certain conditions.

Additionally, this program is part of the government’s efforts to promote zero carbon emissions and renewable energy, allowing for further advancement of “self-consumption” of electricity when used in conjunction with solar power generation.

For detailed eligibility requirements and application methods, please check the official website.

👉 Click here for the official website

Kanagawa Prefecture “Subsidy for Solar Power Generation Equipment and Home Storage Battery Installation for Existing Houses”

In Kanagawa Prefecture, subsidies are provided for those who install “solar panels” and “home storage batteries” in existing houses.

The subsidy amount is a flat 40,000 yen for solar power generation equipment only, up to 100,000 yen for storage batteries depending on capacity, and a total of up to 300,000 yen when both are installed simultaneously.

This system is part of measures against global warming and aims to promote the use of renewable energy.

For detailed conditions and application methods, please check the official page of Kanagawa Prefecture.

👉 Click here for details

Kanagawa Prefecture “Subsidy for Self-Consumption Type Solar Power Generation Equipment”

In Kanagawa Prefecture, subsidies are provided for the installation of “self-consumption type” solar panels that generate electricity for home use.

Eligible applicants are those who install solar power generation equipment in existing or newly built houses in the prefecture.

As a condition, it is required that more than 30% of the generated electricity is consumed on-site (installation of storage batteries is also acceptable).

The subsidy amount is 10,000 yen per kW, with a maximum limit of 4 kW (maximum 40,000 yen).

For example, if you install a 3 kW solar panel, you can receive a subsidy of 30,000 yen.

This system aims to promote the use of renewable energy and achieve Kanagawa Prefecture’s “Zero Carbon Society”.

For more information, please check the official page of Kanagawa Prefecture.

👉 Click here for details

Yokohama City “Subsidy for Installation Costs of Solar Power Generation Equipment”

Yokohama City has implemented a system to subsidize part of the installation costs for small and medium-sized enterprises and sole proprietors within the city for solar power generation equipment and other installations.

This aims to promote the introduction of renewable energy and advance measures against global warming.

The target is for new installations of solar panels and storage batteries at business facilities within the city. Installations at residential properties are not eligible, but there are opportunities for those who operate stores or businesses at their homes.

The subsidy amounts are set according to the scale of installation, with 50,000 yen per kW for solar power generation equipment (up to 500,000 yen) and 20,000 yen per kWh for storage batteries (up to 200,000 yen).

For detailed conditions and application methods, please check the official website of Yokohama City.

👉 Click here for the official Yokohama City page

Yokohama City “FY 2026 Yokohama Green Energy Partnership Project (YGrEP)”

Yokohama Green Energy Partnership (YGrEP) is a project aimed at realizing a decarbonized society.

Yokohama City is providing cashless point rebates to households and businesses within the city that participate in YGrEP and install eligible equipment (refer to the eligible equipment below).

◎ Eligible Equipment ◎

● Solar power generation equipment: storage batteries / eco-cute / electric vehicles and plug-in hybrid vehicles

● Electric vehicles alone (without solar power generation equipment)

● Fuel cells (Enefarm)

● Solar thermal utilization systems

● V2H charging and discharging equipment

For information on application methods, combining with national and Kanagawa Prefecture subsidy projects, and point rebates, please check and inquire at the special site here.

Solar Panel Installation & Storage Battery Installation Price List


⇧Construction Menu|For costs related to solar panel installation and battery storage, click here


⇧Construction Menu|For costs related to solar panel removal and hot water heater removal, click here

Self-Estimate and Profit Simulation for Solar Power Generation

With the simulator above,
you can obtain an estimated quote and a profit simulation for up to 30 years!
If you know the total installation capacity of solar panels on the roof and the capacity of the battery storage, you can get an estimated quote and profit simulation!

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