Renewable Energy

Website Design for Renewable Energy & Solar EPC Companies

This article outlines how to build websites for renewable solar companies to win commercial contracts, covering hero design, page sets, and multi-step intake forms.

Homepage Messaging for Solar EPC Companies

The hero has three jobs. State the geography. State the project size you accept. State the next step. Most sites use a single carousel banner of stock imagery and a vague tagline like "Power your tomorrow." That is wasted real estate. The Sunora Solar homepage runs a multi-band carousel that references 31,557+ residential rooftops and 17,834+ commercial projects, the right kind of social proof for a B2B buyer scanning fast. US operators use installed MW rather than rooftop counts, same outcome.

The headline should answer three questions in one line: who, where, what. "Commercial and industrial solar EPC across Maharashtra, 100 kW to 25 MW, fixed-price turnkey." That fits on one line at 1440 wide and pre-qualifies the visitor before they scroll. The sub-headline should hold one number, one proof point, one action. Phone number, large.

What the Site Needs (Page Taxonomy)

A B2B solar EPC site that wants to convert at the high end of the 4% to 10% range has a minimum page set. The table below is the floor.

Two patterns to copy from the corpus. Every page uses a stat band (100% coverage of stat blocks across the 8 pages analysed). Stats are the lowest-effort, highest-trust content a service business can publish. The same 100% applies to carousels and card grids. Use them as containers for proof, not decoration: stat cards reading "12.4 MWp installed in Chakan MIDC since 2022," carousel slides each holding a different proof point, gallery cards linking to a written-up case study rather than a stock image.

Components That Convert

The most expensive thing on a B2B solar EPC site is the visitor who arrives ready to buy and leaves because the page does not feel ready for them. These are the components that lift enquiry volume.

An RFQ funnel, not a contact form. Forms with three or five fields labelled "Name / Email / Phone / Message" are spam magnets, not intake. Use a multi-step form: project type (rooftop, ground-mount, open access, hybrid), installed capacity in kW or MW, monthly electricity spend or annual consumption, location, target commissioning date, then contact. The corpus has zero RFQ funnels across the 8 pages, the largest missed opportunity on a rebuild.

Click-to-call and WhatsApp on every page. Mobile traffic in India runs well over 70% for "solar EPC Pune"; in the US close to 60% for "commercial solar installer." Both convert on a tap. A floating WhatsApp button with a real phone number, plus a sticky call link on mobile, removes two clicks. The corpus shows zero coverage of either.

Project cards with capacity, scope, modules, inverter, year, location. Stock images of panels under blue sky do not sell. Cards like "12.8 MW ground-mount, Chakan, 2024, Trina TSM-NEG19RC.20 modules, Sungrow SG250HX inverters" do. AI assistants pull this format into answer engines when buyers ask "which solar EPC did a 10+ MW project in Pune last year."

A live savings calculator. For residential and small C&I, a slider-based calculator that takes monthly bill and location and returns kW, yearly savings, payback, and lifetime savings is near-mandatory trust signal. For larger B2B deals, an ROI calculator that takes tariff, capex, and financing terms lets the buyer's finance team run numbers against your assumptions.

A spec table. A comparison table of modules, Tier-1 inverter makes, mounting structure types, BoS and workmanship warranty lengths is the most quotable content on a solar EPC site. The corpus has zero spec tables, a gap most sites cannot see.

A written guarantee on the EPC scope. One block of plain text on the Services page stating what is included and what is not, how defects are handled, the response window, what happens on delay. Buyers in India and the US both say the same thing in debriefs: "I would have paid more for a clear warranty."

SEO + AEO: Structured Data for Both Google and AI

The corpus has zero FAQPage schema across the 8 pages, despite every site having a visible FAQ section. That is wasted citation surface. An EPC site in 2026 should ship five distinct JSON-LD blocks at minimum.

Organization on every page via the global header. Includes legal name, logo URL, NAP (name, address, phone), social sameAs links, and a contactPoint with the customer service number. Powers the knowledge panel for branded searches.

Service on each services sub-page. areaServed should carry the city and state list. provider points back to the Organization. Service schema is what Google uses to qualify a result as a local service for category queries.

FAQPage on every FAQ section, covering the eight-to-twelve questions every buyer already asks (subsidy eligibility in 2026, ITC effectiveness for commercial buyers, PPA vs capex, O&M inclusions, AMC response time). Google's rich-result eligibility for FAQ schema is narrower than people remember; follow the 2026 guidelines on placement, site-wide versus page-specific.

BreadcrumbList site-wide. Cheap to ship, helps both classical ranking and AI scraping. On a multi-step RFQ funnel, breadcrumbs make the funnel feel like a process, not a maze.

OfferCatalog on the Capabilities or Services hub. Schema.org's container for "this organisation sells this bundle of services." It signals to AI answer engines that your site is a source of EPC offerings rather than a marketing piece.

One more artefact matters in 2026: an llms.txt file at the site root. The format is minimal: an H1 line of the brand plus a paragraph in plain English describing what the business offers, who it serves, and where. Curated markdown links let LLMs ingest your capabilities, case studies, and policy pages efficiently. There is no consensus that llms.txt alone moves rankings today, but it does increase the surface area Google AI Overviews, Perplexity, and ChatGPT pull from when a buyer asks an EPC question.

For on-page SEO itself, three rules: one URL per service unit, no city stuffed into a generic page, a real paragraph of prose per page. AI citation models down-rank sites whose only city pages are thin template text.

Common Mistakes

Most solar EPC sites that underperform share the same faults. We see these on every audit.

Mistake 1: Treating the homepage as a sales pitch. A brochure homepage ranks poorly and converts worse. The homepage is an index; service and case study pages do the selling.

Mistake 2: One city page stuffed with 80 city names. The template approach to local SEO stopped working in 2022. Either write a proper city page with project specifics, or skip it.

Mistake 3: Burying the phone number. If your buyer scrolls past a stock carousel, a stat block, another carousel, a capability icon band, and a project gallery before they see a click-to-call link, you have already lost them. Phone, WhatsApp, and a primary CTA must be above the fold on every page.

Mistake 4: No calculator, no RFQ, no spec table. Three components, each takes between an afternoon and a week to ship. Operators who skip these accept that visitors will email "please share details," which puts the sales engineer back at inbox zero instead of qualifying leads.

Mistake 5: Treating content as decoration. A "Top 10 Solar EPC Companies in India" post will not move a B2B buyer. A capex vs PPA comparison for a 5 MW plant in Pune with a worked example will. The latter gets cited by AI answer engines; the former does not.

Mistake 6: Letting structured data sit empty. If you have an FAQ section with no JSON-LD, you have a writing tax with no return. Same goes for Service and BreadcrumbList.

Mistake 7: Letting the careers page go stale. Buyers read the careers page as a proxy for "is this company real." Open roles, fresh graduates, locations are read by procurement teams as if they were a credit signal.

FAQ

What size of site do I need at minimum? A 6-to-9 page site is enough to start: Home, About, Capabilities, Services (split or one), Case studies (one or two), RFQ funnel, Contact. Add ROI calculator, city pages, and a Resources blog once the conversion path ships.

How long does a rebuild take? For operators we work with at Plact, the rebuild runs 6 to 8 weeks: week 1 intake and quote, weeks 2 to 3 design and copy, weeks 4 to 6 build and structured data, weeks 7 to 8 launch, QA, and Search Console submission.

Do I need separate sites for India and the US? Usually yes, on different domains. Local SERPs and answer engines weight country-code TLDs and host-IP signals heavily, and the buying process, contact norms, and policy hooks differ.

Single highest-impact change on an existing site? Adding an RFQ funnel behind the homepage form. One operator we onboarded did only this and saw a 3.4x uplift in qualified enquiries in the first month.

Will FAQPage schema actually move rankings? It will not directly boost your position on every query, but it does win rich-result placement where eligible and dramatically increases your citation probability in AI answer engines.

Copywriter or AI for the marketing pages? A hybrid. Use a knowledgeable in-house operator for the EPC-specific, India/US-specific sections (subsidy rules, ITC, PPA mechanics). Use AI for first drafts of framework pages, then have a human restructure. AI-only copy reads hollow on technical B2B.

About Plact

Plact is a B2B website operation that builds and runs the online presence for service businesses. We deliver websites engineered to convert, Google Maps visibility, AI answer-engine presence, reviews and content management, on a fixed price with a written guarantee. Our verticals include HVAC, Dental, Legal, Real Estate, NBFC, and Manufacturing, and we work with operators in the USA, UAE, UK, and India. For renewable energy and solar EPC operators the playbook is the same one we run for industrial service businesses: audit the funnel, ship structured data, ship an RFQ funnel, run it monthly.

Next step, no sales call needed. Send your current URL and the cities you serve to plact.work. We reply within one business day with a rebuild plan, a page-by-page scope, and a fixed price. If the fit is there, we start. If not, you still keep the plan.