Chariot Energy - Solar Buyback
Let’s face it. Solar buyback for residential energy generation and use needs an explainer video! It’s not quite as simple as “just sell your excess solar energy to the grid.”
Pre-Production
Concept & Scripting
The Solar Buyback project kicked off with a clear challenge: turn a dense utility incentive—solar energy buyback—into a story that feels intuitive and connects emotionally. The audience? Smart homeowners who know solar tech but might not be fluent in rate tiers, credit rollover policies, or smart meter requirements. This video needed to show how excess power turns into real financial value—and why Chariot’s offer stands out.
Script development ran alongside early visual ideation, anchored by a clear voiceover framework and a focus on visual cause and effect. The story opens with a recognizable, idealized suburban home—stylized but grounded to strike that sweet spot between aspirational and attainable. The first line hits with a direct benefit: homeowners with solar panels can earn credits. From there, it zooms out to explain the buyback system, how Chariot stacks up against competitors, and the simple steps to enroll. Lines like “excess solar power flows into the grid in exchange for electricity bill credits” were built to match visuals of animated energy transfer and billing overlays.
Every bit of technical data—market rates, credit rollovers, smart meter verification—was chosen for visual impact. These weren’t just lines of text; they were storyboarded as transitions, UI moments, or metaphors in motion. The tone skipped the jargon, favoring clear, declarative language that gave animators solid visual cues: how power moves, how the weather shifts, how the bills adjust.
Rapid Prototyping
We launched into Cinema 4D with a tight agenda: validate space and layout, test how energy transfer and rewards animation would behave, and lock in camera choreography. We started by building core assets—a clean-cut house model that could be sectioned, plus a garage-ready EV model. These sat in a clean neighborhood environment, stripped down to keep focus on the story.
To show how solar energy moves and rewards drop, we leaned on procedural systems. We used Cloner objects to animate modular, directional power flows—each one color-coded for easy tracking and tweakability. The “rewards drop” effect was handled with rigid body physics simulations, baked into Alembic caches so the movement stayed dynamic but consistent across renders.
At this point, we skipped lighting for speed. Everything was output in Cinema 4D’s basic viewport—fast and clear. Interior details were placeholders: rough wall volumes, basic furniture shapes, enough to shape the space but not slow us down. The garage already featured the EV, hinting at in-home solar power use.
One key moment was the solar farm sequence. We started with an isometric view of the Oberon Solar Power Plant, tying it visually to the rest of the piece. But after internal reviews, we pivoted to a drone-style flyover—adding cinematic weight and grounding the story in Texas’s energy landscape. It also became a natural bridge between the home and large-scale clean energy.
We also roughed in placeholders for UI animations—bill breakdowns, sign-up steps, credit tracking—all built in 2D with After Effects. This parallel process made sure the transitions from animated scenes to overlays would land cleanly.
Early Visual Styles Explored
We developed the visual language in tandem with RP animation. The mission: balance isometric clarity with emotional realism. Think stylized geometry plus believable materials, light, and textures that make the scenes feel familiar and warm. Early frames tested everything from flat, minimal palettes to more layered lighting options.
We ended up with a semi-photoreal material look. Roofs had subtle texture maps. Solar panels reflected real-world glass and aluminum details, built in Cinema 4D to read clearly even at mid-distance. Interiors leaned into tactile finishes—warm woods, brushed metals, muted fabrics—creating a home that felt aspirational but not overdesigned.
Color was used intentionally. Chariot’s brand palette—especially the signature orange and violet—showed up not just in graphics but inside the world itself. UI shadows and data lines carried violet hues. Power modules and credit icons popped in orange. This unified the visual language and made the branding stick.
Prototyping Animation Concepts
This phase focused on cracking key motion challenges. Cross-section views of the house required precise camera blocking to clearly show multiple rooms and energy flow. We used highlight animations on appliances, lights, and the EV—all activating when energy reached their node—to tell the story of efficient, smart solar usage.
For electricity flow and reward buildup, we played with motion systems that could be adjusted on the fly. Using Cloner objects and effectors, we designed flows that could pulse, surge, and split—giving a sense of real-time, responsive energy movement.
Camera moves were mapped with spline-based rigs in Cinema 4D—allowing us to orbit, dolly, and zoom smoothly. These moves were tied to voiceover pacing, syncing transitions to key statements or data reveals. We tried multiple versions before landing on the final camera choreography, especially for the shift from inside the house to the external grid.
We also built a prototype for the enrollment sequence. The challenge was making it feel simple and friendly, not bureaucratic. The solution: big icons, minimal text, clean horizontal motion—quick, clear, and action-oriented.
Client Feedback Shaping Direction
Client feedback during RP shaped the project in major ways. One early note led to a redesign of the “other companies” comparison. Originally a blended scene, it became a split-screen with high contrast—Chariot on one side, competitors on the other. We added a strong title and two tight bullets to make the contrast pop fast.
Another key insight was the need for more transparency and life in the house itself. We suggested a see-through cross-section with active appliances and flowing energy—this became a visual linchpin. It grounded the concept emotionally: this wasn’t abstract data, it was a real home in action.
We also refined the “plan select” moment. The original layout made the logos too small and the checklist a bit cold. The revised version used soft animations, clean transitions, and a warmer palette to keep things in tone.
These cycles of feedback sharpened both the story and the visual delivery. With client sign-off on RP, visual style locked, and key animations dialed in, we headed into full Unreal Engine production with a clear, confident plan.
Full Production (FP)
Look Development
Full production made the leap from Cinema 4D to Unreal Engine using Datasmith workflows—a move that boosted visual fidelity, sped up lighting and camera iterations, and streamlined asset handling, especially in scenes packed with vegetation, atmospheric effects, and wide-open environments. All pre-animated assets from C4D—electricity flows, rewards sequences, camera paths—were imported directly into Unreal, keeping animations intact and ready for final polish.
We started with the house. Exterior textures were upgraded with materials like weatherproof siding, reflective solar glass, and asphalt shingles mapped with bump/specular layers. Grass and trees were handled using Nanite assets for dense, high-performance geometry. Lumen lighting created soft, real-time shadows that shifted naturally with the sun’s path.
Inside, every room was staged from the ground up. Living spaces, kitchen, bathroom, and bedrooms were filled with a mix of lifestyle furniture and solar-powered appliances. Material work was detailed: stainless steel appliances, warm wood floors and furniture, cloth shaders for upholstery. Lighting combined baked global illumination with Lumen-powered reflections—resulting in cinematic light behavior that played beautifully with animated energy flows.
The solar farm scene introduced a deliberate tonal shift—a sprawling desert setting designed to contrast the quiet suburb. The solar array, originally modeled in C4D, was scaled way up in Unreal, replicating the Oberon Solar Power Plant’s industrial scale. We used clustered panel modules on procedural terrain, added motion to sparse vegetation and layered in volumetric fog and heat haze to add depth and realism.
That juxtaposition—intimate home versus massive infrastructure—wasn’t just visual flair. It was strategic storytelling, grounding Chariot’s offering in real-world infrastructure, not just marketing promises.
Design & Animation
With environments locked, we honed the animation logic and tightened the cinematic rhythm. Electricity flows were refined to feel organic—pulsing gently from panels to appliances, then into the grid. Emissive materials with fine-tuned glow and bloom sold the sensation of active energy. Reward animations were updated to match the scene’s new lighting depth and interior vibe.
Cameras were brought into Unreal’s Level Sequencer from C4D. Movements were deliberate: smooth dolly-ins, thoughtful orbit paths, precise reveals—all built to support the voiceover’s pacing. The intro orbit around the transparent house led into a seamless cross-section reveal, aligning key moments with voice cues and giving the viewer both clarity and emotional pull. Sunlight shifts, cloud cover, and subtle color transitions were mapped directly to narrative beats.
The cloudy day scene was a lighting centerpiece. Dimming the sun and triggering real-time lighting shifts inside the home. Power reversed—from grid to house—and we paired this moment with a drone shot of the solar farm to communicate resilience and backup.
Interiors became storytelling canvases. Kitchen lights flicked on. An EV charger blinked to life. Living room accents lit up subtly. These animations weren’t just eye candy—they grounded the story in the everyday, reminding viewers that clean energy is practical, visible, and immediate.
Style Choices and Reasoning
The look stayed true to a hybrid philosophy: stylized enough for conceptual clarity, but grounded enough to feel trustworthy and familiar. Unreal’s engine let us dial in soft edges, natural bounce lighting, and rich material diversity without sacrificing simplicity or legibility.
We kept the visual hierarchy tight. High-priority interactions—solar panel usage, bill credits, energy flows—were highlighted with crisp edges and vibrant colors. Background elements were gently defocused and slightly desaturated to prevent distraction.
Color served a functional role. Chariot orange highlighted energy and UI moments. Grid power showed up in cool blues. Renewable sourcing glowed green. These visual codes helped orient the viewer and made energy transitions readable, even without narration.
Typography and 2D overlays—crafted in After Effects—were added via emissive decals and textured planes inside Unreal. That let us label and explain without breaking immersion, especially during data-heavy sequences like the bill overview.
Technical Details
Key technical strategies:
Datasmith Pipeline: Smooth import of C4D animations with baked sims and camera moves preserved.
Lumen + Nanite: Dynamic lighting and high-detail assets rendered in real time with zero performance trade-offs.
Volumetric Atmosphere: Used for simulating cloudy transitions, haze effects, and solar farm depth.
PBR Shading: Custom UE shaders handled a wide range of materials—glass, metal, wood, plastics, solar tech.
Level Sequencer Management: Each scene was isolated for post flexibility and surgical revisions.
Animated Material Instances: Emissive effects and flows were controlled per scene without duplicating assets.
Cross-sectioned House: Modular geometry revealed interior appliances, wiring, and energy movement—clean and layered.
Switching to Unreal unlocked major creative and technical gains. Datasmith brought in all the geometry, camera paths, and baked sims from C4D without compromising fidelity. The real-time render pipeline meant lighting changes, time-of-day shifts, and material tweaks could be seen and fine-tuned instantly.
Unreal’s Lumen system delivered real-time global illumination and reflections—essential for dynamic lighting scenarios like overcast scenes or changing daylight. We could simulate and preview atmospheric transitions without guesswork or long render queues.
Nanite let us load dense geometry—trees, furniture, solar arrays—without bogging down performance. It was a game-changer for scale-intensive shots like the desert flyover, where thousands of solar panels had to look sharp but render fast.
Sequencer workflows kept everything modular. Each scene lived in its own track, with ID passes and post controls baked in. This structure made client revisions painless—we could isolate, re-render, and composite changes without touching the rest of the timeline.
Post-processing handled bloom, exposure, and color grading on a per-shot level, keeping everything visually consistent.
Real-time rendering also changed how we worked. In a traditional pipeline, small lighting tweaks or camera repositions could take hours. In Unreal, we adjusted, previewed, and finalized shots in minutes. That gave us more space to test ideas, punch up story beats, and respond to feedback—without slipping on deadlines.
In the end, Unreal gave us cinematic quality with iteration speed. We hit Chariot’s visual standards without sacrificing storytelling clarity or design control.
Post-Production & Delivery
Final Compositing & Color Grading
Post-production took place in After Effects, where the rendered Unreal Engine sequences were brought together, fine-tuned, and merged with 2D graphics. Compositing here wasn’t just cosmetic—it played a key role in guiding attention, clarifying animation logic, and strengthening brand cues throughout.
Each shot came in with clean ID passes, letting us isolate and dial in adjustments for emissive energy flows, elements, and background effects. Indoor scenes got a midtone warmth bump. Reward moments had their sunlight intensity turned up. Cloudy transitions were graded darker for sharper contrast. We used curves, levels, and selective color tools to balance and polish each scene while keeping Chariot’s orange and violet presence subtle but consistent.
The solar farm sequence got an extra pass in post. Warm tones were softened with gradients. Depth-of-field effects, mapped via Z-depth, narrowed the viewer’s focus during key camera moves. Drone shots had motion blur added selectively to keep momentum and cinematic flow intact.
VFX Enhancements
While Unreal handled most core animation, key atmosphere layers—especially clouds and rain—were pushed further in post. For the cloudy day scene, we layered AE elements, animated on bezier curves to create motion depth. Rain was done with CC Rain and directional blur that matched the camera’s motion, reinforcing the grounded, local mood.
Glow effects on energy trails were amped slightly in post to support the punchy look of reward drop moments. Chromatic aberration and glints were added to the EV charger and indoor light activations to draw focus and showcase how solar power touches daily life.
Lens distortion was applied only where it added visual texture—mainly in transitions or orbit shots—to evoke a cinematic lens feel without compromising clarity or readability.
Infographics, UI Overlays, Data Visualization
UI overlays were built and animated in After Effects, with a clean 2D style that stood out against the rich 3D backdrops. This visual separation kept data moments easy to follow. In the plan comparison sequence, we leaned on bold typography and branded icons to clearly differentiate Rise and Shine plans, market rates, and credit caps. Smooth opacity ramps and easing animations kept the info digestible and on-brand.
The electricity bill overlay was built as a modular precomp, ready for fast changes. Soft shadows, consistent spacing, and smooth transitions made it feel polished and intuitive.
The qualification sequence (CenterPoint, Oncor, etc.) was styled as a checklist panel with animated checkmarks and stroke reveals. Slight scale shifts created a tactile, touch-based UX feel. Though flat in design, the overlays were color graded and faked with parallax to blend into 3D environments without breaking continuity.
Final Edits & Revisions in Post
The final editorial pass synced pacing to voiceover cadence, tightened transitions in data-heavy scenes, and polished camera moves using frame blending and motion vectors. Appliance activations and power flows were trimmed where needed to keep tempo sharp.
Brand consistency was front and center. Shadows were regraded toward Chariot’s dark violet, while highlights retained their brightness and energy. Typography followed approved fonts, kerning, and padding rules. UI components were aligned with Chariot’s existing digital assets for seamless brand integration. Lower-thirds, disclaimers, and footnotes were added at this stage.
Client feedback during post was focused and actionable. One big callout: increase contrast in the plan comparison scene—solved by darkening the UI panel and adding sharper callouts. Another: make the reward drop feel warmer—handled with increased saturation and added glow effects.
Our modular AE setup made these tweaks fast. Every shot sequence was precomped and clearly labeled, so even late-stage changes like rewording UI, tweaking bill values, or softening cloud intensity were simple to implement without derailing the full timeline.
Feedback was minimal overall—alignment between the creative and client vision stayed strong through final delivery. The client’s take on the finished product was direct: “awesome” and “soooo good,” especially the solar farm flyover and the house interior visuals.
Delivery
We delivered three versions in 1080p H.264: a full-length cut, a 30-second cutdown, and a 15-second teaser. Each was purpose-built—not just trimmed—but restructured with custom transitions to preserve the message, flow, and visual punch at every duration.
All files were optimized for web and event use, with compression settings tuned to avoid artifacts in complex visuals like solar panels and animated energy paths. Graphics and text stayed inside safe zones and were sized for clarity across screens, including mobile.
The final result delivered on Chariot’s premium brand position—technically tight, emotionally effective, and visually compelling. A layered animation narrative, rooted in real-time rendering and smart storytelling.
Transcript:
If your Texas home has rooftop solar panels that cover most or all of your energy needs, it's time to hitch your star to a chariot.
Chariot Energy's Rise & Shine solar buyback plans offer the ability to sell your excess solar power back into the grid and get rewarded.
How it works is simple: on sunny days when your power demand is low, your panels export energy you don't need into the grid in exchange for electricity bill credits.
On cloudy or high-demand days, we deliver any electricity you need, always sourced from local, 100% renewable sources, such as our affiliate Oberon Solar Power Plant in Texas.
While other companies offer only low rates and use-them-or-lose-them credits, Chariot rates are some of the best in the industry and your credits with us never expire.
At the end of the month, your bill will reflect how much credit you've earned and/or rolled over.
To participate you need either solar panels or a solar contract in place. We offer a 90-day enrollment period for your convenience.
Click to get started today.