{"id":3327,"date":"2026-10-20T16:13:32","date_gmt":"2026-10-20T13:13:32","guid":{"rendered":"https:\/\/mits.sa\/%d8%b4%d8%b1%d8%ad-%d8%ad%d8%a7%d8%b3%d8%a8%d8%a9-%d9%87%d9%8a%d8%a7%d9%83%d9%84-%d8%a7%d9%84%d8%a3%d9%84%d9%88%d8%a7%d8%ad\/"},"modified":"2026-10-20T16:13:32","modified_gmt":"2026-10-20T13:13:32","slug":"solar-mounting-calculator-guide","status":"publish","type":"post","link":"https:\/\/mits.sa\/en\/solar-mounting-calculator-guide\/","title":{"rendered":"Solar panel structure calculator explained: arrangement, spacing between rows, and structure weight"},"content":{"rendered":"<p>The solar panel structure calculator determines the optimal structure for your number of panels and installation location: panel arrangement in rows, number of frames, front and rear leg heights for the desired tilt angle, spacing between rows to prevent panel shading, lengths of steel, bases, clamps, screws, and total structure weight. You select the installation location, enter panel specifications, angle, and city, and the result is displayed along with a profile of the structure.<\/p>\n<div class=\"mits-box\"><strong>In short:<\/strong><\/p>\n<ul>\n<li>Four installation locations: sloping concrete surface, sheet metal surface, ground, and elevated.<\/li>\n<li>The city is taken into account when calculating the distance between rows, because the angle of the sun in winter differs between north and south.<\/li>\n<li>Choose the structure material (hot-dip galvanized iron or aluminum) and the wind zone (normal or strong and coastal).<\/li>\n<li>The quantities are estimated for a typical design, and the final sections are based on a structural calculation according to the Saudi Building Code.<\/li>\n<\/ul>\n<\/div>\n<h2>Why do you need a calculator specifically for structures?<\/h2>\n<p>The frame is the part that remains under the panels for twenty-five years or more, exposed to sun, dust, and wind. Choosing the right frame determines three things: the system&#039;s safety in storms, its productivity (because angle and shade directly affect it), and the space it requires on the roof or ground. The most common mistake in ground-level projects is placing the rows too close together to save space, resulting in the front row shading the back row during the winter months.<\/p>\n<div class=\"mits-box mits-calc\"><strong>Calculate it yourself:<\/strong> Enter the number of your panels, their size, angle of inclination, and your city, and the calculator will give you the row arrangement, the distance between them, the leg height, the iron lengths, and the weight of the structure. <a href=\"\/en\/solar-mounting-structure-calculator\/\">Open the free calculator<\/a><\/div>\n<h2>First step: Installation location<\/h2>\n<table class=\"mits-t\">\n<thead>\n<tr>\n<th>The place<\/th>\n<th>Structural method<\/th>\n<th>note<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>sloping concrete surface<\/td>\n<td>A structure with an ideal angle of inclination on a flat surface<\/td>\n<td>It requires installation that will not damage the insulation.<\/td>\n<\/tr>\n<tr>\n<td>sheet metal surface<\/td>\n<td>Rail and clips parallel to the roof slope<\/td>\n<td>Lightweight and fast, and the angle is the ceiling angle.<\/td>\n<\/tr>\n<tr>\n<td>My land<\/td>\n<td>A structure with concrete foundations for each man<\/td>\n<td>For farms and stations, the distance between rows is important.<\/td>\n<\/tr>\n<tr>\n<td>high<\/td>\n<td>A tall structure under which people walk<\/td>\n<td>It utilizes the space underneath as a passageway or parking area.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>An article explains each type and when it is suitable <a href=\"\/en\/solar-mounting-structures-guide\/\">Solar panel mounting structures<\/a>and factory products such as <a href=\"\/en\/factory-products\/ground-mount-solar-structure\/\">Earth structure<\/a> \u0648<a href=\"\/en\/factory-products\/concrete-roof-solar-mounting\/\">Concrete roof structure<\/a>.<\/p>\n<h2>Step two: Panel data<\/h2>\n<ul>\n<li><strong>Number of panels and panel capacity:<\/strong> The total power is calculated in kilowatts peak.<\/li>\n<li><strong>Board orientation:<\/strong> Longitudinal or transverse. Longitudinal means the longer side of the board is in the direction of the slope.<\/li>\n<li><strong>The length and width of the board in millimeters:<\/strong> From the board&#039;s data sheet. Large, modern boards are approximately 2.4 x 1.3 meters.<\/li>\n<\/ul>\n<p>If the system is calculated in <a href=\"\/en\/solar-calculator-guide\/\">Solar Energy Calculator<\/a> First, you can transfer the number of panels from the \u00abCalculate the installation structure for these panels\u00bb link.<\/p>\n<h2>Step three: The angle, the city, the material, and the wind.<\/h2>\n<ul>\n<li><strong>inclination:<\/strong> The default angle is 25 degrees, but you can change it. A larger angle raises the rear leg and increases the required distance between rows.<\/li>\n<li><strong>City:<\/strong> The calculator uses it to calculate the distance between rows from the angle of the sun.<\/li>\n<li><strong>Material:<\/strong> Hot-dip galvanized steel (most commonly used in land-based projects) or aluminum (lighter weight).<\/li>\n<li><strong>Wind zone:<\/strong> Ordinary, or strong coastal winds increase iron and bases.<\/li>\n<\/ul>\n<h2>Illustrative example: Ground structure for 16 panels in Riyadh<\/h2>\n<p>This is a hypothetical example when the calculator is opened; the numbers are approximate:<\/p>\n<ul>\n<li>16 panels with a power of 645 watts and a size of 2,384 \u00d7 1,303 mm, which is approximately 10.3 kilowatts peak.<\/li>\n<li>Ground installation, 25-degree angle, Riyadh, hot-dip galvanized steel, normal wind.<\/li>\n<\/ul>\n<h3>Result<\/h3>\n<table class=\"mits-t\">\n<thead>\n<tr>\n<th>Item<\/th>\n<th>Value<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Arranging the panels<\/td>\n<td>One row x 8 boards, two boards high<\/td>\n<\/tr>\n<tr>\n<td>Number of frames<\/td>\n<td>5 frames, one frame every 3.0 m<\/td>\n<\/tr>\n<tr>\n<td>Height of the front and back legs<\/td>\n<td>0.60 m and 2.63 m<\/td>\n<\/tr>\n<tr>\n<td>The distance between the beginning of one row and the next<\/td>\n<td>6.63 m<\/td>\n<\/tr>\n<tr>\n<td>Free passage between rows<\/td>\n<td>2.27 m<\/td>\n<\/tr>\n<tr>\n<td>Rail lengths for panel fixing<\/td>\n<td>43.6 m<\/td>\n<\/tr>\n<tr>\n<td>Required space<\/td>\n<td>Approximately 70 m\u00b2<\/td>\n<\/tr>\n<tr>\n<td>weight of the structure<\/td>\n<td>270 kg, or approximately 16.9 kg per slab<\/td>\n<\/tr>\n<tr>\n<td>Rules<\/td>\n<td>10 concrete foundations with a total volume of approximately 1.3 m\u00b3<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>The list of materials includes: rails, inclined beams (raftrats), legs and inclined supports of all lengths, 36 panel clamps (middle and end), and 72 M10 fastening screws.<\/p>\n<h2>How do you understand the spacing between rows?<\/h2>\n<p>The distance between rows (6.63 m in the example) is calculated so that the front row does not cast a shadow on the back row during midday throughout the year, with winter being the worst-case scenario when the sun is low. If the rows are placed closer together to save space, the back row will lose some of its yield in winter, and partial shade on a section of the board may result in an even greater loss of area.<\/p>\n<p>If space is limited, you have two options: reduce the angle of inclination (lowering the height of the back leg and shortening the shadow), or arrange the panels in fewer, taller rows. The calculator allows you to try both options and compare the results. To understand the effect of angle on production, refer to [link\/reference]. <a href=\"\/en\/solar-panel-tilt-angle\/\">Best orientation and tilt angle for panels in the cities of the Kingdom<\/a>.<\/p>\n<h2>When do you need a detailed structural design?<\/h2>\n<ul>\n<li>High-rise structures and canopies, because the loads on the columns and foundations are greater.<\/li>\n<li>Coastal locations and areas exposed to strong winds.<\/li>\n<li>Old surfaces or surfaces of unknown load-bearing capacity.<\/li>\n<li>Sandy or weak soil in land projects.<\/li>\n<\/ul>\n<p>In these cases, the sections, frame spacing, and bases depend on a structural calculation based on the wind speed at the site, according to the Saudi Building Code, as noted in the note below the calculator.<\/p>\n<h2>Frequently Asked Questions<\/h2>\n<div class=\"mits-faq\">\n<h3>Is aluminum better than galvanized iron for the structure?<\/h3>\n<p>Aluminum is lighter and corrosion-resistant, while hot-dip galvanized steel is stronger and often more economical for large-scale earthworks. The choice depends on location and budget.<\/p>\n<h3>Why does the weight of the structure change when the wind direction changes?<\/h3>\n<p>Because strong winds require closer tires, stronger sections, and larger bases to resist lifting and tipping.<\/p>\n<h3>Does the calculator include tablets and converters?<\/h3>\n<p>No, the calculator only calculates the frame with the brackets, clamps, and screws. To calculate the panels and inverter, use a solar energy calculator.<\/p>\n<h3>How much space do I need per kilowatt?<\/h3>\n<p>It varies depending on the installation method, angle, and distance between rows, and the calculator gives you the exact space required for your project.<\/p>\n<\/div>\n<div class=\"mits-cta\">\n<p><strong>Do you need a structure for your panels?<\/strong> MITS GROUP factory in Al-Kharj manufactures concrete and metal roof structures, ground and elevated structures from hot-dip galvanized steel, with aluminum as an option, and supplies them to all regions of the Kingdom.<\/p>\n<p><a href=\"\/en\/contact\/\">Request a price quote<\/a> \u00b7 <a href=\"https:\/\/wa.me\/966575993880\">WhatsApp 0575993880<\/a> \u00b7 <a href=\"\/en\/mits-engineering-calculators-guide\/\">All Computers Guide<\/a><\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Solar panel structure calculator explanation: installation location, number of panels, tilt angle, city, how to 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